Extensible Provisioning Protocol (EPP) Domain Name Mapping
draft-ietf-provreg-epp-domain-07
The information below is for an old version of the document that is already published as an RFC.
| Document | Type |
This is an older version of an Internet-Draft that was ultimately published as RFC 3731.
|
|
|---|---|---|---|
| Author | Scott Hollenbeck | ||
| Last updated | 2015-10-14 (Latest revision 2003-04-24) | ||
| RFC stream | Internet Engineering Task Force (IETF) | ||
| Intended RFC status | Proposed Standard | ||
| Formats | |||
| Additional resources | Mailing list discussion | ||
| Stream | WG state | (None) | |
| Document shepherd | (None) | ||
| IESG | IESG state | Became RFC 3731 (Proposed Standard) | |
| Action Holders |
(None)
|
||
| Consensus boilerplate | Unknown | ||
| Telechat date | (None) | ||
| Responsible AD | Ted Hardie | ||
| Send notices to | (None) |
draft-ietf-provreg-epp-domain-07
Internet Engineering Task Force S. Hollenbeck
Internet-Draft VeriSign, Inc.
April 24, 2003 Expires: October 24, 2003
Extensible Provisioning Protocol Domain Name Mapping
<draft-ietf-provreg-epp-domain-07.txt>
Status of this Memo
This document is an Internet-Draft and is in full conformance with all
provisions of Section 10 of RFC2026.
Internet-Drafts are working documents of the Internet Engineering Task
Force (IETF), its areas, and its working groups. Note that other
groups may also distribute working documents as Internet-Drafts.
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and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress".
The list of current Internet-Drafts can be accessed at
http://www.ietf.org/ietf/1id-abstracts.txt
The list of Internet-Draft Shadow Directories can be accessed at
http://www.ietf.org/shadow.html.
Abstract
This document describes an Extensible Provisioning Protocol (EPP)
mapping for the provisioning and management of Internet domain names
stored in a shared central repository. Specified in XML, the mapping
defines EPP command syntax and semantics as applied to domain names.
Conventions Used In This Document
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
"SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
document are to be interpreted as described in [RFC2119].
In examples, "C:" represents lines sent by a protocol client and "S:"
represents lines returned by a protocol server. Indentation and white
space in examples is provided only to illustrate element relationships
and is not a REQUIRED feature of this protocol.
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Table of Contents
1. Introduction ................................................. 3
1.1 Relationship of Domain Objects and Host Objects ............. 3
2. Object Attributes ............................................ 5
2.1 Domain and Host Names ....................................... 5
2.2 Contact and Client Identifiers .............................. 5
2.3 Status Values ............................................... 5
2.4 Dates and Times ............................................. 7
2.5 Validity Periods ............................................ 7
2.6 Authorization Information ................................... 8
2.7 Other DNS Resource Record Attributes ........................ 8
3. EPP Command Mapping .......................................... 9
3.1 EPP Query Commands .......................................... 9
3.1.1 EPP <check> Command ....................................... 9
3.1.2 EPP <info> Command ........................................ 11
3.1.3 EPP <transfer> Query Command .............................. 17
3.2 EPP Transform Commands ...................................... 20
3.2.1 EPP <create> Command ...................................... 20
3.2.2 EPP <delete> Command ...................................... 22
3.2.3 EPP <renew> Command ....................................... 24
3.2.4 EPP <transfer> Command .................................... 26
3.2.5 EPP <update> Command ...................................... 28
3.2.6 Offline Review of Requested Actions ....................... 31
4. Formal Syntax ................................................ 34
5. Internationalization Considerations .......................... 44
6. IANA Considerations .......................................... 44
7. Security Considerations ...................................... 45
8. Acknowledgements ............................................. 45
9. References ................................................... 46
10. Author's Address ............................................ 47
A. Revisions From Previous Version .............................. 48
B. Full Copyright Statement ..................................... 49
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1. Introduction
This document describes an Internet domain name mapping for version
1.0 of the Extensible Provisioning Protocol (EPP). This mapping is
specified using the Extensible Markup Language (XML) 1.0 as described
in [XML] and XML Schema notation as described in [XMLS-1] and [XMLS-
2].
[EPP] provides a complete description of EPP command and response
structures. A thorough understanding of the base protocol
specification is necessary to understand the mapping described in this
document.
XML is case sensitive. Unless stated otherwise, XML specifications
and examples provided in this document MUST be interpreted in the
character case presented to develop a conforming implementation.
1.1 Relationship of Domain Objects and Host Objects
The EPP mapping for host objects is described in [EPP-H]. This
document assumes that domain name objects have a superordinate
relationship to subordinate host name objects. For example, domain
name "example.com" has a superordinate relationship to host name
"ns1.example.com". EPP actions (such as object transfers) that do not
preserve this relationship MUST be explicitly disallowed.
A host name object can be created in a repository for which no
superordinate domain name object exists. For example, host name
"ns1.example.com" can be created in the ".example" repository so that
DNS domains in ".example" can be delegated to the host. Such hosts
are described as "external" hosts in this specification since the name
of the host does not belong to the name space of the repository in
which the host is being used for delegation purposes.
Whether a host is external or internal relates to the repository in
which the host is being used for delegation purposes. Whether an
internal host is subordinate or not relates to a domain within the
repository. For example, host ns1.example1.com is a subordinate host
of domain example1.com, but it is a not a subordinate host of domain
example2.com. ns1.example1.com can be used as a name server for
example2.com. In this case ns1.example1.com MUST be treated as an
internal host, subject to the rules governing operations on
subordinate hosts within the same repository.
Name server hosts for domain delegation can be specified as either
references to existing host objects or as domain attributes that
describe a host machine. A server operator MUST use one name server
specification form consistently. A server operator that announces
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support for host objects in an EPP greeting MUST NOT allow domain
attributes to describe a name server host machine. A server operator
that does not announce support for host objects MUST allow domain
attributes to describe a name server host machine. When domain
attributes are used to describe a name server host machine, IP
addresses SHOULD be required only as needed to generate DNS glue
records.
Name servers are specified within a <domain:ns> element. This element
MUST contain one or more <domain:hostObj> elements or one or more
<domain:hostAttr> elements. A <domain:hostObj> element contains the
fully qualified name of a known name server host object. A
<domain:hostAttr> element contains the following child elements:
- A <domain:hostName> element that contains the fully qualified name
of a host.
- Zero or more OPTIONAL <domain:hostAddr> elements that contain the IP
addresses to be associated with the host. Each element MAY contain an
"ip" attribute to identify the IP address format. Attribute value
"v4" is used to note IPv4 address format. Attribute value "v6" is
used to note IPv6 address format. If the "ip" attribute is not
specified, "v4" is the default attribute value. IP address syntax
requirements are described in Section 2.5 of the EPP host mapping
[EPP-H].
Example host object name server elements for domain example.com:
<domain:ns>
<domain:hostObj>ns1.example.com</domain:hostObj>
<domain:hostObj>ns1.example.net</domain:hostObj>
</domain:ns>
Example host attribute name server elements for domain example.com:
<domain:ns>
<domain:hostAttr>
<domain:hostName>ns1.example.com</domain:hostName>
<domain:hostAddr
ip="v4">192.0.2.2</domain:hostAddr>
<domain:hostAddr
ip="v6">1080:0:0:0:8:800:200C:417A</domain:hostAddr>
</domain:hostAttr>
<domain:hostAttr>
<domain:hostName>ns1.example.net</domain:hostName>
</domain:hostAttr>
</domain:ns>
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2. Object Attributes
An EPP domain object has attributes and associated values that can be
viewed and modified by the sponsoring client or the server. This
section describes each attribute type in detail. The formal syntax
for the attribute values described here can be found in the "Formal
Syntax" section of this document and in the appropriate normative
references.
2.1 Domain and Host Names
The syntax for domain and host names described in this document MUST
conform to [RFC952] as updated by [RFC1123]. These conformance
requirements might change as a result of progressing work in
developing standards for internationalized domain names. A server MAY
restrict allowable domain names to a particular top level domain,
second level domain, or other domain for which the server is
authoritative. The trailing dot required when these names are stored
in a DNS zone is implicit and MUST NOT be provided when exchanging
host and domain names.
2.2 Contact and Client Identifiers
All EPP contacts are identified by a server-unique identifier.
Contact identifiers are character strings with a specified minimum
length, a specified maximum length, and a specified format. Contact
identifiers use the "clIDType" client identifier syntax described in
[EPP].
2.3 Status Values
A domain object MUST always have at least one associated status value.
Status values can be set only by the client that sponsors a domain
object and by the server on which the object resides. A client can
change the status of a domain object using the EPP <update> command.
Each status value MAY be accompanied by a string of human-readable
text that describes the rationale for the status applied to the
object.
A client MUST NOT alter status values set by the server. A server MAY
alter or override status values set by a client subject to local
server policies. The status of an object MAY change as a result of
either a client-initiated transform command or an action performed by
a server operator.
Status values that can be added or removed by a client are prefixed
with "client". Corresponding status values that can be added or
removed by a server are prefixed with "server". Status values that do
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not begin with either "client" or "server" are server-managed.
Status Value Descriptions:
- clientDeleteProhibited, serverDeleteProhibited
Requests to delete the object MUST be rejected.
- clientHold, serverHold
DNS delegation information MUST NOT be published for the object.
- clientRenewProhibited, serverRenewProhibited
Requests to renew the object MUST be rejected.
- clientTransferProhibited, serverTransferProhibited
Requests to transfer the object MUST be rejected.
- clientUpdateProhibited, serverUpdateProhibited
Requests to update the object (other than to remove this status) MUST
be rejected.
- inactive
Delegation information has not been associated with the object.
- ok
This is the normal status value for an object that has no pending
operations or prohibitions. This value is set and removed by the
server as other status values are added or removed.
- pendingCreate, pendingDelete, pendingRenew, pendingTransfer,
pendingUpdate
A transform command has been processed for the object, but the action
has not been completed by the server. Server operators can delay
action completion for a variety of reasons, such as to allow for human
review or third-party action. A transform command that is processed,
but whose requested action is pending, is noted with response code
1001.
With one exception, transform commands MUST be rejected when a
pendingCreate, pendingDelete, pendingRenew, pendingTransfer, or
pendingUpdate status is set. The only exception is that a <transfer>
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command to approve, reject, or cancel a transfer MAY be processed
while an object is in "pendingTransfer" status.
When the requested action has been completed, the pendingCreate,
pendingDelete, pendingRenew, pendingTransfer, or pendingUpdate status
value MUST be removed. All clients involved in the transaction MUST
be notified using a service message that the action has been completed
and that the status of the object has changed.
"ok" status MUST NOT be combined with any other status.
"pendingDelete" status MUST NOT be combined with either
"clientDeleteProhibited" or "serverDeleteProhibited" status.
"pendingRenew" status MUST NOT be combined with either
"clientRenewProhibited" or "serverRenewProhibited" status.
"pendingTransfer" status MUST NOT be combined with either
"clientTransferProhibited" or "serverTransferProhibited" status.
"pendingUpdate" status MUST NOT be combined with either
"clientUpdateProhibited" or "serverUpdateProhibited" status.
The pendingCreate, pendingDelete, pendingRenew, pendingTransfer, and
pendingUpdate status values MUST NOT be combined with each other.
Other status combinations not expressly prohibited MAY be used.
2.4 Dates and Times
Date and time attribute values MUST be represented in Universal
Coordinated Time (UTC) using the Gregorian calendar. The extended
date-time form using upper case "T" and "Z" characters defined in
[RFC3339] MUST be used to represent date-time values as XML Schema
does not support truncated date-time forms or lower case "T" and "Z"
characters.
2.5 Validity Periods
A domain name object MAY have a specified validity period. If server
policy supports domain object validity periods, the validity period is
defined when a domain object is created, and it MAY be extended by the
EPP <renew> or <transfer> commands. As a matter of server policy,
this specification does not define actions to be taken upon expiration
of a domain object's validity period.
Validity periods are measured in years or months with the appropriate
units specified using the "unit" attribute. Valid values for the
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"unit" attribute are "y" for years and "m" for months. The minimum
allowable period value is one decimal (1). The maximum allowable
value is ninety-nine decimal (99). A server MAY support a lower
maximum value.
2.6 Authorization Information
Authorization information is associated with domain objects to
facilitate transfer operations. Authorization information is assigned
when a domain object is created, and it might be updated in the
future. This specification describes password-based authorization
information, though other mechanisms are possible.
2.7 Other DNS Resource Record Attributes
While the DNS allows many resource record types to be associated with
a domain, this mapping only explicitly specifies elements that
describe resource records used for domain delegation and resolution.
Facilities to provision other domain-related resource record types can
be developed by extending this mapping.
The provisioning method described in this mapping separates discrete
data elements by data type. This method of data definition allows XML
Schema processors to perform basic syntax validation tasks, reducing
ambiguity and the amount of parsing and syntax-checking work required
of protocol processors. Provisioning and extension methods that
aggregate data into opaque strings are possible, but such methods
SHOULD NOT be used because they impose additional parsing,
interpretation, and validation requirements on protocol processors.
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3. EPP Command Mapping
A detailed description of the EPP syntax and semantics can be found in
[EPP]. The command mappings described here are specifically for use
in provisioning and managing Internet domain names via EPP.
3.1 EPP Query Commands
EPP provides three commands to retrieve domain information: <check> to
determine if a domain object can be provisioned within a repository,
<info> to retrieve detailed information associated with a domain
object, and <transfer> to retrieve domain object transfer status
information.
3.1.1 EPP <check> Command
The EPP <check> command is used to determine if an object can be
provisioned within a repository. It provides a hint that allows a
client to anticipate the success or failure of provisioning an object
using the <create> command as object provisioning requirements are
ultimately a matter of server policy.
In addition to the standard EPP command elements, the <check> command
MUST contain a <domain:check> element that identifies the domain
namespace and the location of the domain schema. The <domain:check>
element contains the following child elements:
- One or more <domain:name> elements that contain the fully qualified
names of the domain objects to be queried.
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Example <check> command:
C:<?xml version="1.0" encoding="UTF-8" standalone="no"?>
C:<epp xmlns="urn:ietf:params:xml:ns:epp-1.0"
C: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
C: xsi:schemaLocation="urn:ietf:params:xml:ns:epp-1.0
C: epp-1.0.xsd">
C: <command>
C: <check>
C: <domain:check
C: xmlns:domain="urn:ietf:params:xml:ns:domain-1.0"
C: xsi:schemaLocation="urn:ietf:params:xml:ns:domain-1.0
C: domain-1.0.xsd">
C: <domain:name>example.com</domain:name>
C: <domain:name>example.net</domain:name>
C: <domain:name>example.org</domain:name>
C: </domain:check>
C: </check>
C: <clTRID>ABC-12345</clTRID>
C: </command>
C:</epp>
When a <check> command has been processed successfully, the EPP
<resData> element MUST contain a child <domain:chkData> element that
identifies the domain namespace and the location of the domain schema.
The <domain:chkData> element contains one or more <domain:cd> elements
that contain the following child elements:
- A <domain:name> element that contains the fully qualified name of
the queried domain object. This element MUST contain an "avail"
attribute whose value indicates object availability (can it be
provisioned or not) at the moment the <check> command was completed.
A value of "1" or "true" means that the object can be provisioned. A
value of "0" or "false" means that the object can not be provisioned.
- An OPTIONAL <domain:reason> element that MAY be provided when an
object can not be provisioned. If present, this element contains
server-specific text to help explain why the object can not be
provisioned. This text MUST be represented in the response language
previously negotiated with the client; an OPTIONAL "lang" attribute
MAY be present to identify the language if the negotiated value is
something other than the default value of "en" (English).
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Example <check> response:
S:<?xml version="1.0" encoding="UTF-8" standalone="no"?>
S:<epp xmlns="urn:ietf:params:xml:ns:epp-1.0"
S: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
S: xsi:schemaLocation="urn:ietf:params:xml:ns:epp-1.0
S: epp-1.0.xsd">
S: <response>
S: <result code="1000">
S: <msg>Command completed successfully</msg>
S: </result>
S: <resData>
S: <domain:chkData
S: xmlns:domain="urn:ietf:params:xml:ns:domain-1.0"
S: xsi:schemaLocation="urn:ietf:params:xml:ns:domain-1.0
S: domain-1.0.xsd">
S: <domain:cd>
S: <domain:name avail="1">example.com</domain:name>
S: </domain:cd>
S: <domain:cd>
S: <domain:name avail="0">example.net</domain:name>
S: <domain:reason>In use</domain:reason>
S: </domain:cd>
S: <domain:cd>
S: <domain:name avail="1">example.org</domain:name>
S: </domain:cd>
S: </domain:chkData>
S: </resData>
S: <trID>
S: <clTRID>ABC-12345</clTRID>
S: <svTRID>54322-XYZ</svTRID>
S: </trID>
S: </response>
S:</epp>
An EPP error response MUST be returned if a <check> command can not be
processed for any reason.
3.1.2 EPP <info> Command
The EPP <info> command is used to retrieve information associated with
a domain object. The response to this command MAY vary depending on
the identity of the querying client, use of authorization information,
and server policy towards unauthorized clients. If the querying
client is the sponsoring client, all available information MUST be
returned. If the querying client is not the sponsoring client, but
the client provides valid authorization information, all available
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information MUST be returned. If the querying client is not the
sponsoring client, and the client does not provide valid authorization
information, server policy determines which OPTIONAL elements are
returned.
In addition to the standard EPP command elements, the <info> command
MUST contain a <domain:info> element that identifies the domain
namespace and the location of the domain schema. The <domain:info>
element contains the following child elements:
- A <domain:name> element that contains the fully qualified name of
the domain object to be queried. An OPTIONAL "hosts" attribute is
available to control return of information describing hosts related to
the domain object. A value of "all" (the default, which MAY be
absent) returns information describing both subordinate and delegated
hosts. A value of "del" returns information describing only delegated
hosts. A value of "sub" returns information describing only
subordinate hosts. A value of "none" returns no information
describing delegated or subordinate hosts.
- An OPTIONAL <domain:authInfo> element that contains authorization
information associated with the domain object or authorization
information associated with the domain object's registrant or
associated contacts. An OPTIONAL "roid" attribute MUST be used to
identify the registrant or contact object if and only if the given
authInfo is associated with a registrant or contact object, and not
the domain object itself. If this element is not provided or if the
authorization information is invalid, server policy determines if the
command is rejected or if response information will be returned to the
client.
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Example <info> command without authorization information:
C:<?xml version="1.0" encoding="UTF-8" standalone="no"?>
C:<epp xmlns="urn:ietf:params:xml:ns:epp-1.0"
C: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
C: xsi:schemaLocation="urn:ietf:params:xml:ns:epp-1.0
C: epp-1.0.xsd">
C: <command>
C: <info>
C: <domain:info
C: xmlns:domain="urn:ietf:params:xml:ns:domain-1.0"
C: xsi:schemaLocation="urn:ietf:params:xml:ns:domain-1.0
C: domain-1.0.xsd">
C: <domain:name hosts="all">example.com</domain:name>
C: </domain:info>
C: </info>
C: <clTRID>ABC-12345</clTRID>
C: </command>
C:</epp>
Example <info> command with authorization information:
C:<?xml version="1.0" encoding="UTF-8" standalone="no"?>
C:<epp xmlns="urn:ietf:params:xml:ns:epp-1.0"
C: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
C: xsi:schemaLocation="urn:ietf:params:xml:ns:epp-1.0
C: epp-1.0.xsd">
C: <command>
C: <info>
C: <domain:info
C: xmlns:domain="urn:ietf:params:xml:ns:domain-1.0"
C: xsi:schemaLocation="urn:ietf:params:xml:ns:domain-1.0
C: domain-1.0.xsd">
C: <domain:name hosts="all">example.com</domain:name>
C: <domain:authInfo>
C: <domain:pw>2fooBAR</domain:pw>
C: </domain:authInfo>
C: </domain:info>
C: </info>
C: <clTRID>ABC-12345</clTRID>
C: </command>
C:</epp>
When an <info> command has been processed successfully, the EPP
<resData> element MUST contain a child <domain:infData> element that
identifies the domain namespace and the location of the domain schema.
Elements that are not OPTIONAL MUST be returned; OPTIONAL elements are
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returned based on client authorization and server policy. The
<domain:infData> element contains the following child elements:
- A <domain:name> element that contains the fully qualified name of
the domain object.
- A <domain:roid> element that contains the Repository Object
IDentifier assigned to the domain object when the object was created.
- Zero or more OPTIONAL <domain:status> elements that contain the
current status descriptors associated with the domain.
- If supported by the server, one OPTIONAL <domain:registrant> element
and one or more OPTIONAL <domain:contact> elements that contain
identifiers for the human or organizational social information objects
associated with the domain object.
- An OPTIONAL <domain:ns> element that contains the fully qualified
names of the delegated host objects or host attributes (name servers)
associated with the domain object. See section 1.1 for a description
of the elements used to specify host objects or host attributes.
- Zero or more OPTIONAL <domain:host> elements that contain the fully
qualified names of the subordinate host objects that exist under this
superordinate domain object.
- A <domain:clID> element that contains the identifier of the
sponsoring client.
- An OPTIONAL <domain:crID> element that contains the identifier of
the client that created the domain object.
- An OPTIONAL <domain:crDate> element that contains the date and time
of domain object creation.
- An OPTIONAL <domain:exDate> element that contains the date and time
identifying the end of the domain object's registration period.
- An OPTIONAL <domain:upID> element that contains the identifier of
the client that last updated the domain object. This element MUST NOT
be present if the domain has never been modified.
- An OPTIONAL <domain:upDate> element that contains the date and time
of the most recent domain object modification. This element MUST NOT
be present if the domain object has never been modified.
- An OPTIONAL <domain:trDate> elements that contains the date and time
of the most recent successful domain object transfer. This element
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MUST NOT be provided if the domain object has never been transferred.
- An OPTIONAL <domain:authInfo> element that contains authorization
information associated with the domain object. This element MUST only
be returned if the querying client is the current sponsoring client,
or if the client supplied valid authorization information with the
command.
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Example <info> response for an authorized client:
S:<?xml version="1.0" encoding="UTF-8" standalone="no"?>
S:<epp xmlns="urn:ietf:params:xml:ns:epp-1.0"
S: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
S: xsi:schemaLocation="urn:ietf:params:xml:ns:epp-1.0
S: epp-1.0.xsd">
S: <response>
S: <result code="1000">
S: <msg>Command completed successfully</msg>
S: </result>
S: <resData>
S: <domain:infData
S: xmlns:domain="urn:ietf:params:xml:ns:domain-1.0"
S: xsi:schemaLocation="urn:ietf:params:xml:ns:domain-1.0
S: domain-1.0.xsd">
S: <domain:name>example.com</domain:name>
S: <domain:roid>EXAMPLE1-REP</domain:roid>
S: <domain:status s="ok"/>
S: <domain:registrant>jd1234</domain:registrant>
S: <domain:contact type="admin">sh8013</domain:contact>
S: <domain:contact type="tech">sh8013</domain:contact>
S: <domain:ns>
S: <domain:hostObj>ns1.example.com</domain:hostObj>
S: <domain:hostObj>ns1.example.net</domain:hostObj>
S: </domain:ns>
S: <domain:host>ns1.example.com</domain:host>
S: <domain:host>ns2.example.com</domain:host>
S: <domain:clID>ClientX</domain:clID>
S: <domain:crID>ClientY</domain:crID>
S: <domain:crDate>1999-04-03T22:00:00.0Z</domain:crDate>
S: <domain:upID>ClientX</domain:upID>
S: <domain:upDate>1999-12-03T09:00:00.0Z</domain:upDate>
S: <domain:exDate>2005-04-03T22:00:00.0Z</domain:exDate>
S: <domain:trDate>2000-04-08T09:00:00.0Z</domain:trDate>
S: <domain:authInfo>
S: <domain:pw>2fooBAR</domain:pw>
S: </domain:authInfo>
S: </domain:infData>
S: </resData>
S: <trID>
S: <clTRID>ABC-12345</clTRID>
S: <svTRID>54322-XYZ</svTRID>
S: </trID>
S: </response>
S:</epp>
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A server with a different information return policy MAY provide less
information in a response.
Example <info> response for an unauthorized client:
S:<?xml version="1.0" encoding="UTF-8" standalone="no"?>
S:<epp xmlns="urn:ietf:params:xml:ns:epp-1.0"
S: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
S: xsi:schemaLocation="urn:ietf:params:xml:ns:epp-1.0
S: epp-1.0.xsd">
S: <response>
S: <result code="1000">
S: <msg>Command completed successfully</msg>
S: </result>
S: <resData>
S: <domain:infData
S: xmlns:domain="urn:ietf:params:xml:ns:domain-1.0"
S: xsi:schemaLocation="urn:ietf:params:xml:ns:domain-1.0
S: domain-1.0.xsd">
S: <domain:name>example.com</domain:name>
S: <domain:roid>EXAMPLE1-REP</domain:roid>
S: <domain:clID>ClientX</domain:clID>
S: </domain:infData>
S: </resData>
S: <trID>
S: <clTRID>ABC-12345</clTRID>
S: <svTRID>54322-XYZ</svTRID>
S: </trID>
S: </response>
S:</epp>
An EPP error response MUST be returned if an <info> command can not be
processed for any reason.
3.1.3 EPP <transfer> Query Command
The EPP <transfer> command provides a query operation that allows a
client to determine real-time status of pending and completed transfer
requests. In addition to the standard EPP command elements, the
<transfer> command MUST contain an "op" attribute with value "query",
and a <domain:transfer> element that identifies the domain namespace
and the location of the domain schema. The <domain:transfer> element
contains the following child elements:
- A <domain:name> element that contains the fully qualified name of
the domain object to be queried.
- An OPTIONAL <domain:authInfo> element that contains authorization
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information associated with the domain object or authorization
information associated with the domain object's registrant or
associated contacts. An OPTIONAL "roid" attribute MUST be used to
identify the registrant or contact object if and only if the given
authInfo is associated with a registrant or contact object, and not
the domain object itself. If this element is not provided or if the
authorization information is invalid, server policy determines if the
command is rejected or if response information will be returned to the
client.
Example <transfer> query command:
C:<?xml version="1.0" encoding="UTF-8" standalone="no"?>
C:<epp xmlns="urn:ietf:params:xml:ns:epp-1.0"
C: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
C: xsi:schemaLocation="urn:ietf:params:xml:ns:epp-1.0
C: epp-1.0.xsd">
C: <command>
C: <transfer op="query">
C: <domain:transfer
C: xmlns:domain="urn:ietf:params:xml:ns:domain-1.0"
C: xsi:schemaLocation="urn:ietf:params:xml:ns:domain-1.0
C: domain-1.0.xsd">
C: <domain:name>example.com</domain:name>
C: <domain:authInfo>
C: <domain:pw roid="JD1234-REP">2fooBAR</domain:pw>
C: </domain:authInfo>
C: </domain:transfer>
C: </transfer>
C: <clTRID>ABC-12345</clTRID>
C: </command>
C:</epp>
When a <transfer> query command has been processed successfully, the
EPP <resData> element MUST contain a child <domain:trnData> element
that identifies the domain namespace and the location of the domain
schema. The <domain:trnData> element contains the following child
elements:
- A <domain:name> element that contains the fully qualified name of
the domain object.
- A <domain:trStatus> element that contains the state of the most
recent transfer request.
- A <domain:reID> element that contains the identifier of the client
that requested the object transfer.
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- A <domain:reDate> element that contains the date and time that the
transfer was requested.
- A <domain:acID> element that contains the identifier of the client
that SHOULD act upon the transfer request.
- A <domain:acDate> element that contains the date and time of a
required or completed response. For a PENDING request, the value
identifies the date and time by which a response is required before an
automated response action will be taken by the server. For all other
status types, the value identifies the date and time when the request
was completed.
- An OPTIONAL <domain:exDate> element that contains the end of the
domain object's validity period if the <transfer> command caused or
causes a change in the validity period.
Example <transfer> query response:
S:<?xml version="1.0" encoding="UTF-8" standalone="no"?>
S:<epp xmlns="urn:ietf:params:xml:ns:epp-1.0"
S: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
S: xsi:schemaLocation="urn:ietf:params:xml:ns:epp-1.0
S: epp-1.0.xsd">
S: <response>
S: <result code="1000">
S: <msg>Command completed successfully</msg>
S: </result>
S: <resData>
S: <domain:trnData
S: xmlns:domain="urn:ietf:params:xml:ns:domain-1.0"
S: xsi:schemaLocation="urn:ietf:params:xml:ns:domain-1.0
S: domain-1.0.xsd">
S: <domain:name>example.com</domain:name>
S: <domain:trStatus>pending</domain:trStatus>
S: <domain:reID>ClientX</domain:reID>
S: <domain:reDate>2000-06-06T22:00:00.0Z</domain:reDate>
S: <domain:acID>ClientY</domain:acID>
S: <domain:acDate>2000-06-11T22:00:00.0Z</domain:acDate>
S: <domain:exDate>2002-09-08T22:00:00.0Z</domain:exDate>
S: </domain:trnData>
S: </resData>
S: <trID>
S: <clTRID>ABC-12345</clTRID>
S: <svTRID>54322-XYZ</svTRID>
S: </trID>
S: </response>
S:</epp>
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An EPP error response MUST be returned if a <transfer> query command
can not be processed for any reason.
3.2 EPP Transform Commands
EPP provides five commands to transform domain objects: <create> to
create an instance of a domain object, <delete> to delete an instance
of a domain object, <renew> to extend the validity period of a domain
object, <transfer> to manage domain object sponsorship changes, and
<update> to change information associated with a domain object.
Transform commands are typically processed and completed in real time.
Server operators MAY receive and process transform commands, but defer
completing the requested action if human or third-party review is
required before the requested action can be completed. In such
situations the server MUST return a 1001 response code to the client
to note that the command has been received and processed, but the
requested action is pending. The server MUST also manage the status
of the object that is the subject of the command to reflect the
initiation and completion of the requested action. Once the action
has been completed, all clients involved in the transaction MUST be
notified using a service message that the action has been completed
and that the status of the object has changed.
3.2.1 EPP <create> Command
The EPP <create> command provides a transform operation that allows a
client to create a domain object. In addition to the standard EPP
command elements, the <create> command MUST contain a <domain:create>
element that identifies the domain namespace and the location of the
domain schema. The <domain:create> element contains the following
child elements:
- A <domain:name> element that contains the fully qualified name of
the domain object to be created.
- An OPTIONAL <domain:period> element that contains the initial
registration period of the domain object. A server MAY define a
default initial registration period if not specified by the client.
- An OPTIONAL <domain:ns> element that contains the fully qualified
names of the delegated host objects or host attributes (name servers)
associated with the domain object to provide resolution services for
the domain; see section 1.1 for a description of the elements used to
specify host objects or host attributes. A host object MUST be known
to the server before the host object can be associated with a domain
object.
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- An OPTIONAL <domain:registrant> element that contains the identifier
for the human or organizational social information (contact) object to
be associated with the domain object as the object registrant. This
object identifier MUST be known to the server before the contact
object can be associated with the domain object. The EPP mapping for
contact objects is described in [EPP-C].
- Zero or more OPTIONAL <domain:contact> elements that contain the
identifiers for other contact objects to be associated with the domain
object. Contact object identifiers MUST be known to the server before
the contact object can be associated with the domain object.
- A <domain:authInfo> element that contains authorization information
to be associated with the domain object. This mapping includes a
password-based authentication mechanism, but the schema allows new
mechanisms to be defined in new schemas.
Example <create> command:
C:<?xml version="1.0" encoding="UTF-8" standalone="no"?>
C:<epp xmlns="urn:ietf:params:xml:ns:epp-1.0"
C: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
C: xsi:schemaLocation="urn:ietf:params:xml:ns:epp-1.0
C: epp-1.0.xsd">
C: <command>
C: <create>
C: <domain:create
C: xmlns:domain="urn:ietf:params:xml:ns:domain-1.0"
C: xsi:schemaLocation="urn:ietf:params:xml:ns:domain-1.0
C: domain-1.0.xsd">
C: <domain:name>example.com</domain:name>
C: <domain:period unit="y">2</domain:period>
C: <domain:ns>
C: <domain:hostObj>ns1.example.com</domain:hostObj>
C: <domain:hostObj>ns1.example.net</domain:hostObj>
C: </domain:ns>
C: <domain:registrant>jd1234</domain:registrant>
C: <domain:contact type="admin">sh8013</domain:contact>
C: <domain:contact type="tech">sh8013</domain:contact>
C: <domain:authInfo>
C: <domain:pw>2fooBAR</domain:pw>
C: </domain:authInfo>
C: </domain:create>
C: </create>
C: <clTRID>ABC-12345</clTRID>
C: </command>
C:</epp>
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When a <create> command has been processed successfully, the EPP
<resData> element MUST contain a child <domain:creData> element that
identifies the domain namespace and the location of the domain schema.
The <domain:creData> element contains the following child elements:
- A <domain:name> element that contains the fully qualified name of
the domain object.
- A <domain:crDate> element that contains the date and time of domain
object creation.
- An OPTIONAL <domain:exDate> element that contains the date and time
identifying the end of the domain object's registration period.
Example <create> response:
S:<?xml version="1.0" encoding="UTF-8" standalone="no"?>
S:<epp xmlns="urn:ietf:params:xml:ns:epp-1.0"
S: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
S: xsi:schemaLocation="urn:ietf:params:xml:ns:epp-1.0
S: epp-1.0.xsd">
S: <response>
S: <result code="1000">
S: <msg>Command completed successfully</msg>
S: </result>
S: <resData>
S: <domain:creData
S: xmlns:domain="urn:ietf:params:xml:ns:domain-1.0"
S: xsi:schemaLocation="urn:ietf:params:xml:ns:domain-1.0
S: domain-1.0.xsd">
S: <domain:name>example.com</domain:name>
S: <domain:crDate>1999-04-03T22:00:00.0Z</domain:crDate>
S: <domain:exDate>2001-04-03T22:00:00.0Z</domain:exDate>
S: </domain:creData>
S: </resData>
S: <trID>
S: <clTRID>ABC-12345</clTRID>
S: <svTRID>54321-XYZ</svTRID>
S: </trID>
S: </response>
S:</epp>
An EPP error response MUST be returned if a <create> command can not
be processed for any reason.
3.2.2 EPP <delete> Command
The EPP <delete> command provides a transform operation that allows a
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client to delete a domain object. In addition to the standard EPP
command elements, the <delete> command MUST contain a <domain:delete>
element that identifies the domain namespace and the location of the
domain schema. The <domain:delete> element contains the following
child elements:
- A <domain:name> element that contains the fully qualified name of
the domain object to be deleted.
A domain object SHOULD NOT be deleted if subordinate host objects are
associated with the domain object. For example, if domain
"example.com" exists, and host object "ns1.example.com" also exists,
then domain "example.com" SHOULD NOT be deleted until host
"ns1.example.com" has been either deleted or renamed to exist in a
different superordinate domain. A server SHOULD notify clients that
object relationships exist by sending a 2305 error response code when
a <delete> command is attempted and fails due to existing object
relationships. Delegated and subordinate host objects associated with
a domain object can be determined using the <info> query command for
the domain object.
Example <delete> command:
C:<?xml version="1.0" encoding="UTF-8" standalone="no"?>
C:<epp xmlns="urn:ietf:params:xml:ns:epp-1.0"
C: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
C: xsi:schemaLocation="urn:ietf:params:xml:ns:epp-1.0
C: epp-1.0.xsd">
C: <command>
C: <delete>
C: <domain:delete
C: xmlns:domain="urn:ietf:params:xml:ns:domain-1.0"
C: xsi:schemaLocation="urn:ietf:params:xml:ns:domain-1.0
C: domain-1.0.xsd">
C: <domain:name>example.com</domain:name>
C: </domain:delete>
C: </delete>
C: <clTRID>ABC-12345</clTRID>
C: </command>
C:</epp>
When a <delete> command has been processed successfully, a server MUST
respond with an EPP response with no <resData> element.
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Example <delete> response:
S:<?xml version="1.0" encoding="UTF-8" standalone="no"?>
S:<epp xmlns="urn:ietf:params:xml:ns:epp-1.0"
S: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
S: xsi:schemaLocation="urn:ietf:params:xml:ns:epp-1.0
S: epp-1.0.xsd">
S: <response>
S: <result code="1000">
S: <msg>Command completed successfully</msg>
S: </result>
S: <trID>
S: <clTRID>ABC-12345</clTRID>
S: <svTRID>54321-XYZ</svTRID>
S: </trID>
S: </response>
S:</epp>
An EPP error response MUST be returned if a <delete> command can not
be processed for any reason.
3.2.3 EPP <renew> Command
The EPP <renew> command provides a transform operation that allows a
client to extend the validity period of a domain object. In addition
to the standard EPP command elements, the <renew> command MUST contain
a <domain:renew> element that identifies the domain namespace and the
location of the domain schema. The <domain:renew> element contains
the following child elements:
- A <domain:name> element that contains the fully qualified name of
the domain object whose validity period is to be extended.
- A <domain:curExpDate> element that contains the date on which the
current validity period ends. This value ensures that repeated
<renew> commands do not result in multiple unanticipated successful
renewals.
- An OPTIONAL <domain:period> element that contains the number of
units to be added to the registration period of the domain object.
The number of units available MAY be subject to limits imposed by the
server.
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Example <renew> command:
C:<?xml version="1.0" encoding="UTF-8" standalone="no"?>
C:<epp xmlns="urn:ietf:params:xml:ns:epp-1.0"
C: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
C: xsi:schemaLocation="urn:ietf:params:xml:ns:epp-1.0
C: epp-1.0.xsd">
C: <command>
C: <renew>
C: <domain:renew
C: xmlns:domain="urn:ietf:params:xml:ns:domain-1.0"
C: xsi:schemaLocation="urn:ietf:params:xml:ns:domain-1.0
C: domain-1.0.xsd">
C: <domain:name>example.com</domain:name>
C: <domain:curExpDate>2000-04-03</domain:curExpDate>
C: <domain:period unit="y">5</domain:period>
C: </domain:renew>
C: </renew>
C: <clTRID>ABC-12345</clTRID>
C: </command>
C:</epp>
When a <renew> command has been processed successfully, the EPP
<resData> element MUST contain a child <domain:renData> element that
identifies the domain namespace and the location of the domain schema.
The <domain:renData> element contains the following child elements:
- A <domain:name> element that contains the fully qualified name of
the domain object.
- An OPTIONAL <domain:exDate> element that contains the date and time
identifying the end of the domain object's registration period.
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Example <renew> response:
S:<?xml version="1.0" encoding="UTF-8" standalone="no"?>
S:<epp xmlns="urn:ietf:params:xml:ns:epp-1.0"
S: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
S: xsi:schemaLocation="urn:ietf:params:xml:ns:epp-1.0
S: epp-1.0.xsd">
S: <response>
S: <result code="1000">
S: <msg>Command completed successfully</msg>
S: </result>
S: <resData>
S: <domain:renData
S: xmlns:domain="urn:ietf:params:xml:ns:domain-1.0"
S: xsi:schemaLocation="urn:ietf:params:xml:ns:domain-1.0
S: domain-1.0.xsd">
S: <domain:name>example.com</domain:name>
S: <domain:exDate>2005-04-03T22:00:00.0Z</domain:exDate>
S: </domain:renData>
S: </resData>
S: <trID>
S: <clTRID>ABC-12345</clTRID>
S: <svTRID>54322-XYZ</svTRID>
S: </trID>
S: </response>
S:</epp>
An EPP error response MUST be returned if a <renew> command can not be
processed for any reason.
3.2.4 EPP <transfer> Command
The EPP <transfer> command provides a transform operation that allows
a client to manage requests to transfer the sponsorship of a domain
object. In addition to the standard EPP command elements, the
<transfer> command MUST contain a <domain:transfer> element that
identifies the domain namespace and the location of the domain schema.
The <domain:transfer> element contains the following child elements:
- A <domain:name> element that contains the fully qualified name of
the domain object for which a transfer request is to be created,
approved, rejected, or cancelled.
- An OPTIONAL <domain:period> element that contains the number of
units to be added to the registration period of the domain object at
completion of the transfer process. This element can only be used
when a transfer is requested, and it MUST be ignored if used
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otherwise. The number of units available MAY be subject to limits
imposed by the server.
- A <domain:authInfo> element that contains authorization information
associated with the domain object or authorization information
associated with the domain object's registrant or associated contacts.
An OPTIONAL "roid" attribute MUST be used to identify the registrant
or contact object if and only if the given authInfo is associated with
a registrant or contact object, and not the domain object itself.
Every EPP <transfer> command MUST contain an "op" attribute that
identifies the transfer operation to be performed. Valid values,
definitions, and authorizations for all attribute values are defined
in [EPP].
Transfer of a domain object MUST implicitly transfer all host objects
that are subordinate to the domain object. For example, if domain
object "example.com" is transferred and host object "ns1.example.com"
exists, the host object MUST be transferred as part of the
"example.com" transfer process. Host objects that are subject to
transfer when transferring a domain object are listed in the response
to an EPP <info> command performed on the domain object.
Example <transfer> request command:
C:<?xml version="1.0" encoding="UTF-8" standalone="no"?>
C:<epp xmlns="urn:ietf:params:xml:ns:epp-1.0"
C: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
C: xsi:schemaLocation="urn:ietf:params:xml:ns:epp-1.0
C: epp-1.0.xsd">
C: <command>
C: <transfer op="request">
C: <domain:transfer
C: xmlns:domain="urn:ietf:params:xml:ns:domain-1.0"
C: xsi:schemaLocation="urn:ietf:params:xml:ns:domain-1.0
C: domain-1.0.xsd">
C: <domain:name>example.com</domain:name>
C: <domain:period unit="y">1</domain:period>
C: <domain:authInfo>
C: <domain:pw roid="JD1234-REP">2fooBAR</domain:pw>
C: </domain:authInfo>
C: </domain:transfer>
C: </transfer>
C: <clTRID>ABC-12345</clTRID>
C: </command>
C:</epp>
When a <transfer> command has been processed successfully, the EPP
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<resData> element MUST contain a child <domain:trnData> element that
identifies the domain namespace and the location of the domain schema.
The <domain:trnData> element contains the same child elements defined
for a transfer query response.
Example <transfer> response:
S:<?xml version="1.0" encoding="UTF-8" standalone="no"?>
S:<epp xmlns="urn:ietf:params:xml:ns:epp-1.0"
S: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
S: xsi:schemaLocation="urn:ietf:params:xml:ns:epp-1.0
S: epp-1.0.xsd">
S: <response>
S: <result code="1000">
S: <msg>Command completed successfully</msg>
S: </result>
S: <resData>
S: <domain:trnData
S: xmlns:domain="urn:ietf:params:xml:ns:domain-1.0"
S: xsi:schemaLocation="urn:ietf:params:xml:ns:domain-1.0
S: domain-1.0.xsd">
S: <domain:name>example.com</domain:name>
S: <domain:trStatus>pending</domain:trStatus>
S: <domain:reID>ClientX</domain:reID>
S: <domain:reDate>2000-06-08T22:00:00.0Z</domain:reDate>
S: <domain:acID>ClientY</domain:acID>
S: <domain:acDate>2000-06-13T22:00:00.0Z</domain:acDate>
S: <domain:exDate>2002-09-08T22:00:00.0Z</domain:exDate>
S: </domain:trnData>
S: </resData>
S: <trID>
S: <clTRID>ABC-12345</clTRID>
S: <svTRID>54322-XYZ</svTRID>
S: </trID>
S: </response>
S:</epp>
An EPP error response MUST be returned if a <transfer> command can not
be processed for any reason.
3.2.5 EPP <update> Command
The EPP <update> command provides a transform operation that allows a
client to modify the attributes of a domain object. In addition to
the standard EPP command elements, the <update> command MUST contain a
<domain:update> element that identifies the domain namespace and the
location of the domain schema. The <domain:update> element contains
the following child elements:
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- A <domain:name> element that contains the fully qualified name of
the domain object to be updated.
- An OPTIONAL <domain:add> element that contains attribute values to
be added to the object.
- An OPTIONAL <domain:rem> element that contains attribute values to
be removed from the object.
- An OPTIONAL <domain:chg> element that contains object attribute
values to be changed.
At least one <domain:add>, <domain:rem>, or <domain:chg> element MUST
be provided. The <domain:add> and <domain:rem> elements contain the
following child elements:
- An OPTIONAL <domain:ns> element that contains the fully qualified
names of the delegated host objects or host attributes (name servers)
associated with the domain object to provide resolution services for
the domain; see section 1.1 for a description of the elements used to
specify host objects or host attributes. A host object MUST be known
to the server before the host object can be associated with a domain
object. If host attributes are used to specify name servers, note
that IP address elements are not needed to identify a name server that
is being removed. IP address elements can safely be absent or ignored
in this situation.
- Zero or more <domain:contact> elements that contain the identifiers
for contact objects to be associated with or removed from the domain
object. Contact object identifiers MUST be known to the server before
the contact object can be associated with the domain object.
- Zero or more <domain:status> elements that contain status values to
be applied to or removed from the object. When specifying a value to
be removed, only the attribute value is significant; element text is
not required to match a value for removal.
A <domain:chg> element contains the following child elements:
- A <domain:registrant> element that contains the identifier for the
human or organizational social information (contact) object to be
associated with the domain object as the object registrant. This
object identifier MUST be known to the server before the contact
object can be associated with the domain object. An empty element can
be used to remove registrant information.
- A <domain:authInfo> element that contains authorization information
associated with the domain object. This mapping includes a password-
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based authentication mechanism, but the schema allows new mechanisms
to be defined in new schemas. A <domain:null> element can be used
within the <domain:authInfo> element to remove authorization
information.
Example <update> command:
C:<?xml version="1.0" encoding="UTF-8" standalone="no"?>
C:<epp xmlns="urn:ietf:params:xml:ns:epp-1.0"
C: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
C: xsi:schemaLocation="urn:ietf:params:xml:ns:epp-1.0
C: epp-1.0.xsd">
C: <command>
C: <update>
C: <domain:update
C: xmlns:domain="urn:ietf:params:xml:ns:domain-1.0"
C: xsi:schemaLocation="urn:ietf:params:xml:ns:domain-1.0
C: domain-1.0.xsd">
C: <domain:name>example.com</domain:name>
C: <domain:add>
C: <domain:ns>
C: <domain:hostObj>ns2.example.com</domain:hostObj>
C: </domain:ns>
C: <domain:contact type="tech">mak21</domain:contact>
C: <domain:status s="clientHold"
C: lang="en">Payment overdue.</domain:status>
C: </domain:add>
C: <domain:rem>
C: <domain:ns>
C: <domain:hostObj>ns1.example.com</domain:hostObj>
C: </domain:ns>
C: <domain:contact type="tech">sh8013</domain:contact>
C: <domain:status s="clientUpdateProhibited"/>
C: </domain:rem>
C: <domain:chg>
C: <domain:registrant>sh8013</domain:registrant>
C: <domain:authInfo>
C: <domain:pw>2BARfoo</domain:pw>
C: </domain:authInfo>
C: </domain:chg>
C: </domain:update>
C: </update>
C: <clTRID>ABC-12345</clTRID>
C: </command>
C:</epp>
When an <update> command has been processed successfully, a server
MUST respond with an EPP response with no <resData> element.
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Example <update> response:
S:<?xml version="1.0" encoding="UTF-8" standalone="no"?>
S:<epp xmlns="urn:ietf:params:xml:ns:epp-1.0"
S: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
S: xsi:schemaLocation="urn:ietf:params:xml:ns:epp-1.0
S: epp-1.0.xsd">
S: <response>
S: <result code="1000">
S: <msg>Command completed successfully</msg>
S: </result>
S: <trID>
S: <clTRID>ABC-12345</clTRID>
S: <svTRID>54321-XYZ</svTRID>
S: </trID>
S: </response>
S:</epp>
An EPP error response MUST be returned if an <update> command can not
be processed for any reason.
3.2.6 Offline Review of Requested Actions
Commands are processed by a server in the order they are received from
a client. Though an immediate response confirming receipt and
processing of the command is produced by the server, a server operator
MAY perform an offline review of requested transform commands before
completing the requested action. In such situations the response from
the server MUST clearly note that the transform command has been
received and processed, but the requested action is pending. The
status of the corresponding object MUST clearly reflect processing of
the pending action. The server MUST notify the client when offline
processing of the action has been completed.
Examples describing a <create> command that requires offline review
are included here. Note the result code and message returned in
response to the <create> command.
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S:<?xml version="1.0" encoding="UTF-8" standalone="no"?>
S:<epp xmlns="urn:ietf:params:xml:ns:epp-1.0"
S: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
S: xsi:schemaLocation="urn:ietf:params:xml:ns:epp-1.0
S: epp-1.0.xsd">
S: <response>
S: <result code="1001">
S: <msg>Command completed successfully; action pending</msg>
S: </result>
S: <resData>
S: <domain:creData
S: xmlns:domain="urn:ietf:params:xml:ns:domain-1.0"
S: xsi:schemaLocation="urn:ietf:params:xml:ns:domain-1.0
S: domain-1.0.xsd">
S: <domain:name>example.com</domain:name>
S: <domain:crDate>1999-04-03T22:00:00.0Z</domain:crDate>
S: <domain:exDate>2001-04-03T22:00:00.0Z</domain:exDate>
S: </domain:creData>
S: </resData>
S: <trID>
S: <clTRID>ABC-12345</clTRID>
S: <svTRID>54321-XYZ</svTRID>
S: </trID>
S: </response>
S:</epp>
The status of the domain object after returning this response MUST
include "pendingCreate". The server operator reviews the request
offline, and informs the client of the outcome of the review by
queuing a service message for retrieval via the <poll> command.
The service message MUST contain text in the <response>, <msgQ>, <msg>
element that describes the notification. In addition, the EPP
<resData> element MUST contain a child <domain:panData> element that
identifies the domain namespace and the location of the domain schema.
The <domain:panData> element contains the following child elements:
- A <domain:name> element that contains the fully qualified name of
the domain object. The <domain:name> element contains a REQUIRED
"paResult" attribute. A positive boolean value indicates that the
request has been approved and completed. A negative boolean value
indicates that the request has been denied and the requested action
has not been taken.
- A <domain:paTRID> element that contains the client transaction
identifier and server transaction identifier returned with the
original response to process the command. The client transaction
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identifier is OPTIONAL and will only be returned if the client
provided an identifier with the original <create> command.
- A <domain:paDate> element that contains the date and time describing
when review of the requested action was completed.
Example "review completed" service message:
S:<?xml version="1.0" encoding="UTF-8" standalone="no"?>
S:<epp xmlns="urn:ietf:params:xml:ns:epp-1.0"
S: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
S: xsi:schemaLocation="urn:ietf:params:xml:ns:epp-1.0
S: epp-1.0.xsd">
S: <response>
S: <result code="1301">
S: <msg>Command completed successfully; ack to dequeue</msg>
S: </result>
S: <msgQ count="5" id="12345">
S: <qDate>1999-04-04T22:01:00.0Z</qDate>
S: <msg>Pending action completed successfully.</msg>
S: </msgQ>
S: <resData>
S: <domain:panData
S: xmlns:domain="urn:ietf:params:xml:ns:domain-1.0"
S: xsi:schemaLocation="urn:ietf:params:xml:ns:domain-1.0
S: domain-1.0.xsd">
S: <domain:name paResult="1">example.com</domain:name>
S: <domain:paTRID>
S: <clTRID>ABC-12345</clTRID>
S: <svTRID>54321-XYZ</svTRID>
S: </domain:paTRID>
S: <domain:paDate>1999-04-04T22:00:00.0Z</domain:paDate>
S: </domain:panData>
S: </resData>
S: <trID>
S: <clTRID>BCD-23456</clTRID>
S: <svTRID>65432-WXY</svTRID>
S: </trID>
S: </response>
S:</epp>
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4. Formal Syntax
An EPP object mapping is specified in XML Schema notation. The formal
syntax presented here is a complete schema representation of the
object mapping suitable for automated validation of EPP XML instances.
The BEGIN and END tags are not part of the schema; they are used to
note the beginning and ending of the schema for URI registration
purposes.
BEGIN
<?xml version="1.0" encoding="UTF-8"?>
<schema targetNamespace="urn:ietf:params:xml:ns:domain-1.0"
xmlns:domain="urn:ietf:params:xml:ns:domain-1.0"
xmlns:host="urn:ietf:params:xml:ns:host-1.0"
xmlns:epp="urn:ietf:params:xml:ns:epp-1.0"
xmlns:eppcom="urn:ietf:params:xml:ns:eppcom-1.0"
xmlns="http://www.w3.org/2001/XMLSchema"
elementFormDefault="qualified">
<!--
Import common element types.
-->
<import namespace="urn:ietf:params:xml:ns:eppcom-1.0"
schemaLocation="eppcom-1.0.xsd"/>
<import namespace="urn:ietf:params:xml:ns:epp-1.0"
schemaLocation="epp-1.0.xsd"/>
<import namespace="urn:ietf:params:xml:ns:host-1.0"
schemaLocation="host-1.0.xsd"/>
<annotation>
<documentation>
Extensible Provisioning Protocol v1.0
domain provisioning schema.
</documentation>
</annotation>
<!--
Child elements found in EPP commands.
-->
<element name="check" type="domain:mNameType"/>
<element name="create" type="domain:createType"/>
<element name="delete" type="domain:sNameType"/>
<element name="info" type="domain:infoType"/>
<element name="renew" type="domain:renewType"/>
<element name="transfer" type="domain:transferType"/>
<element name="update" type="domain:updateType"/>
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<!--
Child elements of the <create> command.
-->
<complexType name="createType">
<sequence>
<element name="name" type="eppcom:labelType"/>
<element name="period" type="domain:periodType"
minOccurs="0"/>
<element name="ns" type="domain:nsType"
minOccurs="0"/>
<element name="registrant" type="eppcom:clIDType"
minOccurs="0"/>
<element name="contact" type="domain:contactType"
minOccurs="0" maxOccurs="unbounded"/>
<element name="authInfo" type="domain:authInfoType"/>
</sequence>
</complexType>
<complexType name="periodType">
<simpleContent>
<extension base="domain:pLimitType">
<attribute name="unit" type="domain:pUnitType"
use="required"/>
</extension>
</simpleContent>
</complexType>
<simpleType name="pLimitType">
<restriction base="unsignedShort">
<minInclusive value="1"/>
<maxInclusive value="99"/>
</restriction>
</simpleType>
<simpleType name="pUnitType">
<restriction base="token">
<enumeration value="y"/>
<enumeration value="m"/>
</restriction>
</simpleType>
<complexType name="nsType">
<choice>
<element name="hostObj" type="eppcom:labelType"
maxOccurs="unbounded"/>
<element name="hostAttr" type="domain:hostAttrType"
maxOccurs="unbounded"/>
</choice>
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</complexType>
<!--
Name servers are either host objects or attributes.
-->
<complexType name="hostAttrType">
<sequence>
<element name="hostName" type="eppcom:labelType"/>
<element name="hostAddr" type="host:addrType"
minOccurs="0" maxOccurs="unbounded"/>
</sequence>
</complexType>
<!--
If attributes, addresses are optional and follow the
structure defined in the host mapping.
-->
<complexType name="contactType">
<simpleContent>
<extension base="eppcom:clIDType">
<attribute name="type" type="domain:contactAttrType"/>
</extension>
</simpleContent>
</complexType>
<simpleType name="contactAttrType">
<restriction base="token">
<enumeration value="admin"/>
<enumeration value="billing"/>
<enumeration value="tech"/>
</restriction>
</simpleType>
<complexType name="authInfoType">
<choice>
<element name="pw" type="eppcom:pwAuthInfoType"/>
<element name="ext" type="eppcom:extAuthInfoType"/>
</choice>
</complexType>
<!--
Child element of commands that require a single name.
-->
<complexType name="sNameType">
<sequence>
<element name="name" type="eppcom:labelType"/>
</sequence>
</complexType>
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<!--
Child element of commands that accept multiple names.
-->
<complexType name="mNameType">
<sequence>
<element name="name" type="eppcom:labelType"
maxOccurs="unbounded"/>
</sequence>
</complexType>
<!--
Child elements of the <info> command.
-->
<complexType name="infoType">
<sequence>
<element name="name" type="domain:infoNameType"/>
<element name="authInfo" type="domain:authInfoType"
minOccurs="0"/>
</sequence>
</complexType>
<complexType name="infoNameType">
<simpleContent>
<extension base = "eppcom:labelType">
<attribute name="hosts" type="domain:hostsType"
default="all"/>
</extension>
</simpleContent>
</complexType>
<simpleType name="hostsType">
<restriction base="token">
<enumeration value="all"/>
<enumeration value="del"/>
<enumeration value="none"/>
<enumeration value="sub"/>
</restriction>
</simpleType>
<!--
Child elements of the <renew> command.
-->
<complexType name="renewType">
<sequence>
<element name="name" type="eppcom:labelType"/>
<element name="curExpDate" type="date"/>
<element name="period" type="domain:periodType"
minOccurs="0"/>
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</sequence>
</complexType>
<!--
Child elements of the <transfer> command.
-->
<complexType name="transferType">
<sequence>
<element name="name" type="eppcom:labelType"/>
<element name="period" type="domain:periodType"
minOccurs="0"/>
<element name="authInfo" type="domain:authInfoType"
minOccurs="0"/>
</sequence>
</complexType>
<!--
Child elements of the <update> command.
-->
<complexType name="updateType">
<sequence>
<element name="name" type="eppcom:labelType"/>
<element name="add" type="domain:addRemType"
minOccurs="0"/>
<element name="rem" type="domain:addRemType"
minOccurs="0"/>
<element name="chg" type="domain:chgType"
minOccurs="0"/>
</sequence>
</complexType>
<!--
Data elements that can be added or removed.
-->
<complexType name="addRemType">
<sequence>
<element name="ns" type="domain:nsType"
minOccurs="0"/>
<element name="contact" type="domain:contactType"
minOccurs="0" maxOccurs="unbounded"/>
<element name="status" type="domain:statusType"
minOccurs="0" maxOccurs="11"/>
</sequence>
</complexType>
<!--
Data elements that can be changed.
-->
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<complexType name="chgType">
<sequence>
<element name="registrant" type="domain:clIDChgType"
minOccurs="0"/>
<element name="authInfo" type="domain:authInfoChgType"
minOccurs="0"/>
</sequence>
</complexType>
<!--
Allow the registrant value to be nullified by changing the
minLength restriction to "0".
-->
<simpleType name="clIDChgType">
<restriction base="token">
<minLength value="0"/>
<maxLength value="16"/>
</restriction>
</simpleType>
<!--
Allow the authInfo value to be nullified by including an
empty element within the choice.
-->
<complexType name="authInfoChgType">
<choice>
<element name="pw" type="eppcom:pwAuthInfoType"/>
<element name="ext" type="eppcom:extAuthInfoType"/>
<element name="null"/>
</choice>
</complexType>
<!--
Child response elements.
-->
<element name="chkData" type="domain:chkDataType"/>
<element name="creData" type="domain:creDataType"/>
<element name="infData" type="domain:infDataType"/>
<element name="panData" type="domain:panDataType"/>
<element name="renData" type="domain:renDataType"/>
<element name="trnData" type="domain:trnDataType"/>
<!--
<check> response elements.
-->
<complexType name="chkDataType">
<sequence>
<element name="cd" type="domain:checkType"
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maxOccurs="unbounded"/>
</sequence>
</complexType>
<complexType name="checkType">
<sequence>
<element name="name" type="domain:checkNameType"/>
<element name="reason" type="eppcom:reasonType"
minOccurs="0"/>
</sequence>
</complexType>
<complexType name="checkNameType">
<simpleContent>
<extension base="eppcom:labelType">
<attribute name="avail" type="boolean"
use="required"/>
</extension>
</simpleContent>
</complexType>
<!--
<create> response elements.
-->
<complexType name="creDataType">
<sequence>
<element name="name" type="eppcom:labelType"/>
<element name="crDate" type="dateTime"/>
<element name="exDate" type="dateTime"
minOccurs="0"/>
</sequence>
</complexType>
<!--
<info> response elements.
-->
<complexType name="infDataType">
<sequence>
<element name="name" type="eppcom:labelType"/>
<element name="roid" type="eppcom:roidType"/>
<element name="status" type="domain:statusType"
minOccurs="0" maxOccurs="11"/>
<element name="registrant" type="eppcom:clIDType"
minOccurs="0"/>
<element name="contact" type="domain:contactType"
minOccurs="0" maxOccurs="unbounded"/>
<element name="ns" type="domain:nsType"
minOccurs="0"/>
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<element name="host" type="eppcom:labelType"
minOccurs="0" maxOccurs="unbounded"/>
<element name="clID" type="eppcom:clIDType"/>
<element name="crID" type="eppcom:clIDType"
minOccurs="0"/>
<element name="crDate" type="dateTime"
minOccurs="0"/>
<element name="upID" type="eppcom:clIDType"
minOccurs="0"/>
<element name="upDate" type="dateTime"
minOccurs="0"/>
<element name="exDate" type="dateTime"
minOccurs="0"/>
<element name="trDate" type="dateTime"
minOccurs="0"/>
<element name="authInfo" type="domain:authInfoType"
minOccurs="0"/>
</sequence>
</complexType>
<!--
Status is a combination of attributes and an optional human-readable
message that may be expressed in languages other than English.
-->
<complexType name="statusType">
<simpleContent>
<extension base="normalizedString">
<attribute name="s" type="domain:statusValueType"
use="required"/>
<attribute name="lang" type="language"
default="en"/>
</extension>
</simpleContent>
</complexType>
<simpleType name="statusValueType">
<restriction base="token">
<enumeration value="clientDeleteProhibited"/>
<enumeration value="clientHold"/>
<enumeration value="clientRenewProhibited"/>
<enumeration value="clientTransferProhibited"/>
<enumeration value="clientUpdateProhibited"/>
<enumeration value="inactive"/>
<enumeration value="ok"/>
<enumeration value="pendingCreate"/>
<enumeration value="pendingDelete"/>
<enumeration value="pendingRenew"/>
<enumeration value="pendingTransfer"/>
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<enumeration value="pendingUpdate"/>
<enumeration value="serverDeleteProhibited"/>
<enumeration value="serverHold"/>
<enumeration value="serverRenewProhibited"/>
<enumeration value="serverTransferProhibited"/>
<enumeration value="serverUpdateProhibited"/>
</restriction>
</simpleType>
<!--
Pending action notification response elements.
-->
<complexType name="panDataType">
<sequence>
<element name="name" type="domain:paNameType"/>
<element name="paTRID" type="epp:trIDType"/>
<element name="paDate" type="dateTime"/>
</sequence>
</complexType>
<complexType name="paNameType">
<simpleContent>
<extension base="eppcom:labelType">
<attribute name="paResult" type="boolean"
use="required"/>
</extension>
</simpleContent>
</complexType>
<!--
<renew> response elements.
-->
<complexType name="renDataType">
<sequence>
<element name="name" type="eppcom:labelType"/>
<element name="exDate" type="dateTime"
minOccurs="0"/>
</sequence>
</complexType>
<!--
<transfer> response elements.
-->
<complexType name="trnDataType">
<sequence>
<element name="name" type="eppcom:labelType"/>
<element name="trStatus" type="eppcom:trStatusType"/>
<element name="reID" type="eppcom:clIDType"/>
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<element name="reDate" type="dateTime"/>
<element name="acID" type="eppcom:clIDType"/>
<element name="acDate" type="dateTime"/>
<element name="exDate" type="dateTime"
minOccurs="0"/>
</sequence>
</complexType>
<!--
End of schema.
-->
</schema>
END
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5. Internationalization Considerations
EPP is represented in XML, which provides native support for encoding
information using the Unicode character set and its more compact
representations including UTF-8. Conformant XML processors recognize
both UTF-8 and UTF-16 [RFC2781]. Though XML includes provisions to
identify and use other character encodings through use of an
"encoding" attribute in an <?xml?> declaration, use of UTF-8 is
RECOMMENDED in environments where parser encoding support
incompatibility exists.
All date-time values presented via EPP MUST be expressed in Universal
Coordinated Time using the Gregorian calendar. XML Schema allows use
of time zone identifiers to indicate offsets from the zero meridian,
but this option MUST NOT be used with EPP. The extended date-time
form using upper case "T" and "Z" characters defined in [RFC3339] MUST
be used to represent date-time values as XML Schema does not support
truncated date-time forms or lower case "T" and "Z" characters.
This document requires domain and host name syntax as specified in
[RFC952] as updated by [RFC1123]. These conformance requirements
might change as a result of progressing work in developing standards
for internationalized domain names.
6. IANA Considerations
This document uses URNs to describe XML namespaces and XML schemas
conforming to a registry mechanism described in [IETF-XML]. Two URI
assignments are requested.
Registration request for the domain namespace:
URI: urn:ietf:params:xml:ns:domain-1.0
Registrant Contact: See the "Author's Address" section of this
document.
XML: None. Namespace URIs do not represent an XML specification.
Registration request for the domain XML schema:
URI: urn:ietf:params:xml:schema:domain-1.0
Registrant Contact: See the "Author's Address" section of this
document.
XML: See the "Formal Syntax" section of this document.
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7. Security Considerations
Authorization information as described in section 2.6 is REQUIRED to
create a domain object. This information is used in some query and
transfer operations as an additional means of determining client
authorization to perform the command. Failure to protect
authorization information from inadvertent disclosure can result in
unauthorized transfer operations and unauthorized information release.
Both client and server MUST ensure that authorization information is
stored and exchanged with high-grade encryption mechanisms to provide
privacy services.
The object mapping described in this document does not provide any
other security services or introduce any additional considerations
beyond those described by [EPP] and protocol layers used by EPP.
8. Acknowledgements
This document was originally written as an individual submission
Internet-Draft. The provreg working group later adopted it as a
working group document and provided many invaluable comments and
suggested improvements. The author wishes to acknowledge the efforts
of WG chairs Edward Lewis and Jaap Akkerhuis for their process and
editorial contributions.
Specific suggestions that have been incorporated into this document
were provided by Joe Abley, Chris Bason, Eric Brunner-Williams, Jordyn
Buchanan, Dave Crocker, Ayesha Damaraju, Anthony Eden, Sheer El-Showk,
Klaus Malorny, Dan Manley, Michael Mealling, Patrick Mevzek, Asbjorn
Steira, Bruce Tonkin, and Rick Wesson.
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9. References
Normative References:
[EPP] S. Hollenbeck: "Extensible Provisioning Protocol", work in
progress.
[EPP-C] S. Hollenbeck: "Extensible Provisioning Protocol Contact
Mapping", work in progress.
[EPP-H] S. Hollenbeck: "Extensible Provisioning Protocol Host
Mapping", work in progress.
[IETF-XML] M. Mealling: "The IETF XML Registry", work in progress.
[RFC952] K. Harrenstien et al.: "DOD Internet Host Table
Specification", RFC 952, October 1985.
[RFC1123] R. Braden: "Requirements for Internet Hosts -- Application
and Support", RFC 1123, October 1989.
[RFC2119] S. Bradner: "Key Words for Use in RFCs to Indicate
Requirement Levels", BCP 14, RFC 2119, March 1997.
[RFC3339] G. Klyne, C. Newman: "Date and Time on the Internet:
Timestamps", RFC 3339, July 2002.
[XML] Editor T. Bray et al.: "Extensible Markup Language (XML) 1.0
(Second Edition)", W3C Recommendation 6 October 2000.
[XMLS-1] Editors H. Thompson et al.: "XML Schema Part 1: Structures",
W3C Recommendation 2 May 2001.
[XMLS-2] Editors P. Biron, A. Malhotra: "XML Schema Part 2:
Datatypes", W3C Recommendation 2 May 2001.
Informative References:
[RFC2781] P. Hoffman, F. Yergeau, "UTF-16, an encoding of ISO 10646",
RFC 2781, February 2000.
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10. Author's Address
Scott Hollenbeck
VeriSign Global Registry Services
21345 Ridgetop Circle
Dulles, VA 20166-6503
USA
shollenbeck@verisign.com
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A. Revisions From Previous Version
(Note to RFC editor: please remove this section completely before
publication as an RFC.)
-06 to -07 (IESG review):
Added new paragraphs to the end of section 1.1 to describe new
provisions for using domain attributes for name server delegation.
Added section 2.7.
Modified schema and text to allow specification of name servers as a
choice between host objects or domain attributes. See sections 3.1.2,
3.2.1, and 3.2.5.
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B. Full Copyright Statement
Copyright (C) The Internet Society 2003. All Rights Reserved.
This document and translations of it may be copied and furnished to
others, and derivative works that comment on or otherwise explain it
or assist in its implementation may be prepared, copied, published and
distributed, in whole or in part, without restriction of any kind,
provided that the above copyright notice and this paragraph are
included on all such copies and derivative works. However, this
document itself may not be modified in any way, such as by removing
the copyright notice or references to the Internet Society or other
Internet organizations, except as needed for the purpose of developing
Internet standards in which case the procedures for copyrights defined
in the Internet Standards process must be followed, or as required to
translate it into languages other than English.
The limited permissions granted above are perpetual and will not be
revoked by the Internet Society or its successors or assigns.
This document and the information contained herein is provided on an
"AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING
TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT
NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION HEREIN
WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
Acknowledgement
Funding for the RFC Editor function is currently provided by the
Internet Society.
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