RFC 2929 (rfc2929) - Page 1 of 12


Domain Name System (DNS) IANA Considerations



Alternative Format: Original Text Document



Network Working Group                                   D. Eastlake, 3rd
Request for Comments: 2929                                      Motorola
BCP: 42                                              E. Brunner-Williams
Category: Best Current Practice                                   Engage
                                                              B. Manning
                                                                     ISI
                                                          September 2000

              Domain Name System (DNS) IANA Considerations

Status of this Memo

   This document specifies an Internet Best Current Practices for the
   Internet Community, and requests discussion and suggestions for
   improvements.  Distribution of this memo is unlimited.

Copyright Notice

   Copyright (C) The Internet Society (2000).  All Rights Reserved.

Abstract

   Internet Assigned Number Authority (IANA) parameter assignment
   considerations are given for the allocation of Domain Name System
   (DNS) classes, Resource Record (RR) types, operation codes, error
   codes, etc.

Table of Contents

   1. Introduction.................................................  2
   2. DNS Query/Response Headers...................................  2
   2.1 One Spare Bit?..............................................  3
   2.2 Opcode Assignment...........................................  3
   2.3 RCODE Assignment............................................  4
   3. DNS Resource Records.........................................  5
   3.1 RR TYPE IANA Considerations.................................  6
   3.1.1 Special Note on the OPT RR................................  7
   3.2 RR CLASS IANA Considerations................................  7
   3.3 RR NAME Considerations......................................  8
   4. Security Considerations......................................  9
   References......................................................  9
   Authors' Addresses.............................................. 11
   Full Copyright Statement........................................ 12








Eastlake, et al.         Best Current Practice