Client Subnet in DNS Requests

Document Type Replaced Internet-Draft (individual)
Authors Carlo Contavalli  , Wilmer van der Gaast  , Sean Leach  , Edward Lewis 
Last updated 2014-01-06 (latest revision 2013-07-05)
Replaced by RFC 7871
Stream (None)
Intended RFC status (None)
Expired & archived
pdf htmlized bibtex
Stream Stream state (No stream defined)
Consensus Boilerplate Unknown
RFC Editor Note (None)
IESG IESG state Replaced by draft-ietf-dnsop-edns-client-subnet
Telechat date
Responsible AD (None)
Send notices to (None)

This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This draft defines an EDNS0 extension to carry information about the network that originated a DNS query, and the network for which the subsequent reply can be cached.


Carlo Contavalli (
Wilmer van der Gaast (
Sean Leach (
Edward Lewis (

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