Reporting Information from DNS Authoritative Servers

Document Type Expired Internet-Draft (individual)
Authors Paul Hoffman  , Puneet Sood 
Last updated 2021-03-13 (latest revision 2020-09-09)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document defines a new DNS RRtype, AUTHINFO, that is used by authoritative servers to publish information about themselves. This information can be useful because a recursive resolver can determine an authoritative server's capabilities, such as whether an authoritative server supports the EDNS(0) client subnet extension.


Paul Hoffman (
Puneet Sood (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)