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Add 100.64.0.0/10 prefixes to IPv4 Locally-Served DNS Zones Registry.
draft-ietf-dnsop-rfc6598-rfc6303-01

The information below is for an old version of the document.
Document Type
This is an older version of an Internet-Draft that was ultimately published as RFC 7793.
Author Mark P. Andrews
Last updated 2014-05-06
Replaces draft-andrews-dnsop-rfc6598-rfc6303
RFC stream Internet Engineering Task Force (IETF)
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Stream WG state Waiting for WG Chair Go-Ahead
Document shepherd Suzanne Woolf
IESG IESG state Became RFC 7793 (Best Current Practice)
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draft-ietf-dnsop-rfc6598-rfc6303-01
Network Working Group                                         M. Andrews
Internet-Draft                                                       ISC
Expires: November 8, 2014                                    May 7, 2014

 Add 100.64.0.0/10 prefixes to IPv4 Locally-Served DNS Zones Registry.
                  draft-ietf-dnsop-rfc6598-rfc6303-01

Abstract

   RFC6598 specified that: "Reverse DNS queries for Shared Address Space
   addresses [100.64.0.0/10] MUST NOT be forwarded to the global DNS
   infrastructure."

   This document formally directs IANA to add the associated zones to
   the "IPv4 Locally-Served DNS Zones Registry" to prevent such queries
   accidently leaking to the global DNS infrastructure.

Status of this Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

   Internet-Drafts are working documents of the Internet Engineering
   Task Force (IETF).  Note that other groups may also distribute
   working documents as Internet-Drafts.  The list of current Internet-
   Drafts is at http://datatracker.ietf.org/drafts/current/.

   Internet-Drafts are draft documents valid for a maximum of six months
   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."

   This Internet-Draft will expire on November 8, 2014.

Copyright Notice

   Copyright (c) 2014 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal
   Provisions Relating to IETF Documents
   (http://trustee.ietf.org/license-info) in effect on the date of
   publication of this document.  Please review these documents
   carefully, as they describe your rights and restrictions with respect
   to this document.  Code Components extracted from this document must
   include Simplified BSD License text as described in Section 4.e of
   the Trust Legal Provisions and are provided without warranty as

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   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . . . 3
   2.  Changes to IPv4 Locally-Served DNS Zones Registry . . . . . . . 3
     2.1.  RFC6598 Zones . . . . . . . . . . . . . . . . . . . . . . . 3
   3.  IANA Considerations . . . . . . . . . . . . . . . . . . . . . . 4
   4.  Security Considerations . . . . . . . . . . . . . . . . . . . . 5
   5.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . . . 5
   6.  Normative References  . . . . . . . . . . . . . . . . . . . . . 5
   Author's Address  . . . . . . . . . . . . . . . . . . . . . . . . . 5

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1.  Introduction

   [RFC6598] specified that: "Reverse DNS queries for Shared Address
   Space addresses [100.64.0.0/10] MUST NOT be forwarded to the global
   DNS infrastructure."  [RFC6303] provides guidance on handling such
   queries.

   This document directs the IANA to add the IPv4 reverse zones
   corresponding to 100.64.0.0/10, a netblock reserved in [RFC6598], to
   the IPv4 Locally-Served DNS Zone Registry established in [RFC6303].

   Unlike [RFC1918] address, which are not expected to be seen by other
   parties, the addresses from [RFC6598] are expected to be seen by
   parties other than those deploying the addresses, so it is more
   crucial that recursive nameservers default to serving these zones
   locally.

2.  Changes to IPv4 Locally-Served DNS Zones Registry

   To add the following zone listed in RFC6598 Zones (Section 2.1) to
   the "IPv4 Locally-Served DNS Zone Registry".

2.1.  RFC6598 Zones

      64.100.IN-ADDR.ARPA
      65.100.IN-ADDR.ARPA
      66.100.IN-ADDR.ARPA
      67.100.IN-ADDR.ARPA
      68.100.IN-ADDR.ARPA
      69.100.IN-ADDR.ARPA
      70.100.IN-ADDR.ARPA
      71.100.IN-ADDR.ARPA
      72.100.IN-ADDR.ARPA
      73.100.IN-ADDR.ARPA
      74.100.IN-ADDR.ARPA
      75.100.IN-ADDR.ARPA
      76.100.IN-ADDR.ARPA
      77.100.IN-ADDR.ARPA
      78.100.IN-ADDR.ARPA
      79.100.IN-ADDR.ARPA
      80.100.IN-ADDR.ARPA
      81.100.IN-ADDR.ARPA
      82.100.IN-ADDR.ARPA
      83.100.IN-ADDR.ARPA
      84.100.IN-ADDR.ARPA

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      85.100.IN-ADDR.ARPA
      86.100.IN-ADDR.ARPA
      87.100.IN-ADDR.ARPA
      88.100.IN-ADDR.ARPA
      89.100.IN-ADDR.ARPA
      90.100.IN-ADDR.ARPA
      91.100.IN-ADDR.ARPA
      92.100.IN-ADDR.ARPA
      93.100.IN-ADDR.ARPA
      94.100.IN-ADDR.ARPA
      95.100.IN-ADDR.ARPA
      96.100.IN-ADDR.ARPA
      97.100.IN-ADDR.ARPA
      98.100.IN-ADDR.ARPA
      99.100.IN-ADDR.ARPA
      100.100.IN-ADDR.ARPA
      101.100.IN-ADDR.ARPA
      102.100.IN-ADDR.ARPA
      103.100.IN-ADDR.ARPA
      104.100.IN-ADDR.ARPA
      105.100.IN-ADDR.ARPA
      106.100.IN-ADDR.ARPA
      107.100.IN-ADDR.ARPA
      108.100.IN-ADDR.ARPA
      109.100.IN-ADDR.ARPA
      110.100.IN-ADDR.ARPA
      111.100.IN-ADDR.ARPA
      112.100.IN-ADDR.ARPA
      113.100.IN-ADDR.ARPA
      114.100.IN-ADDR.ARPA
      115.100.IN-ADDR.ARPA
      116.100.IN-ADDR.ARPA
      117.100.IN-ADDR.ARPA
      118.100.IN-ADDR.ARPA
      119.100.IN-ADDR.ARPA
      120.100.IN-ADDR.ARPA
      121.100.IN-ADDR.ARPA
      122.100.IN-ADDR.ARPA
      123.100.IN-ADDR.ARPA
      124.100.IN-ADDR.ARPA
      125.100.IN-ADDR.ARPA
      126.100.IN-ADDR.ARPA
      127.100.IN-ADDR.ARPA

3.  IANA Considerations

   This document directs IANA to add the zones listed in RFC6598 Zones

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   (Section 2.1) to the "IPv4 Locally-Served DNS Zone Registry".

4.  Security Considerations

   This document is thought to present no additional security risks to
   the Internet.

5.  Acknowledgements

   I would like to thank Joe Abley for his review comments.

6.  Normative References

   [RFC1918]  Rekhter, Y., Moskowitz, R., Karrenberg, D., Groot, G., and
              E. Lear, "Address Allocation for Private Internets",
              BCP 5, RFC 1918, February 1996.

   [RFC6303]  Andrews, M., "Locally Served DNS Zones", BCP 163,
              RFC 6303, July 2011.

   [RFC6598]  Weil, J., Kuarsingh, V., Donley, C., Liljenstolpe, C., and
              M. Azinger, "IANA-Reserved IPv4 Prefix for Shared Address
              Space", BCP 153, RFC 6598, April 2012.

Author's Address

   M. Andrews
   Internet Systems Consortium
   950 Charter Street
   Redwood City, CA  94063
   US

   Email: marka@isc.org

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