Reverse Address lookup in DNS for IPng.

Document Type Expired Internet-Draft (ipngwg WG)
Author Ólafur Guðmundsson 
Last updated 1997-12-03
Stream Internet Engineering Task Force (IETF)
Expired & archived
pdf htmlized bibtex
Stream WG state WG Document
Document shepherd No shepherd assigned
IESG IESG state Expired
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document proposes a new mechanism to represent inverse address mapping in the Domain Name System (DNS) for IP version 6 (IPv6). Documented in here are the changes needed for securing the binding and delegation of address ranges, to facilitate queries for the binding of address to host name. This document also defines a mechanism for dumb resolvers to query directly for the binding. The changes include a new resource record to delegate the address space in segments based on arbitrary bit boundaries. This proposal provides a mechanism that is self checking and can be traversed from both top and bottom. Additional processing requirements on IPv6 aware resolvers and servers are defined.


Ólafur Guðmundsson (

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