RFC 3845 (rfc3845) - Page 1 of 7


DNS Security (DNSSEC) NextSECure (NSEC) RDATA Format



Alternative Format: Original Text Document



Network Working Group                                   J. Schlyter, Ed.
Request for Comments: 3845                                   August 2004
Updates: 3755, 2535
Category: Standards Track


          DNS Security (DNSSEC) NextSECure (NSEC) RDATA Format

Status of this Memo

   This document specifies an Internet standards track protocol for the
   Internet community, and requests discussion and suggestions for
   improvements.  Please refer to the current edition of the "Internet
   Official Protocol Standards" (STD 1) for the standardization state
   and status of this protocol.  Distribution of this memo is unlimited.

Copyright Notice

   Copyright (C) The Internet Society (2004).

Abstract

   This document redefines the wire format of the "Type Bit Map" field
   in the DNS NextSECure (NSEC) resource record RDATA format to cover
   the full resource record (RR) type space.

Table of Contents

   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  2
   2.  The NSEC Resource Record . . . . . . . . . . . . . . . . . . .  2
       2.1.  NSEC RDATA Wire Format . . . . . . . . . . . . . . . . .  3
             2.1.1.  The Next Domain Name Field . . . . . . . . . . .  3
             2.1.2.  The List of Type Bit Map(s) Field  . . . . . . .  3
             2.1.3.  Inclusion of Wildcard Names in NSEC RDATA  . . .  4
       2.2.  The NSEC RR Presentation Format  . . . . . . . . . . . .  4
       2.3.  NSEC RR Example  . . . . . . . . . . . . . . . . . . . .  5
   3.  IANA Considerations  . . . . . . . . . . . . . . . . . . . . .  5
   4.  Security Considerations  . . . . . . . . . . . . . . . . . . .  5
   5.  References . . . . . . . . . . . . . . . . . . . . . . . . . .  6
       5.1.  Normative References . . . . . . . . . . . . . . . . . .  6
       5.2.  Informative References . . . . . . . . . . . . . . . . .  6
   6.  Acknowledgements . . . . . . . . . . . . . . . . . . . . . . .  6
   7.  Author's Address . . . . . . . . . . . . . . . . . . . . . . .  6
   8.  Full Copyright Statement . . . . . . . . . . . . . . . . . . .  7







Schlyter, Ed.               Standards Track