Classless IN-ADDR.ARPA delegation and dynamic reverse DNS UPDATE

Document Type Replaced Internet-Draft (dnsop WG)
Last updated 2015-11-12 (latest revision 2015-11-10)
Replaced by draft-ietf-dnsop-rfc2317bis
Stream IETF
Intended RFC status (None)
Expired & archived
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Stream WG state Adopted by a WG
Document shepherd No shepherd assigned
IESG IESG state Replaced by draft-ietf-dnsop-rfc2317bis
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This memo describes how to do IN-ADDR.ARPA delegation on any non- octet boundary, and how to consolidate reverse DNS for multiple address blocks into one zone. It also clarifies the behaviour of dynamic reverse DNS UPDATE clients.


Tony Finch (

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