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Extensions to DNS (EDNS)

Document Type Expired Internet-Draft (dnsind WG)
Expired & archived
Author Paul A. Vixie
Last updated 1998-08-12 (Latest revision 1998-04-07)
RFC stream Internet Engineering Task Force (IETF)
Additional resources Mailing list discussion
Stream WG state WG Document
Document shepherd (None)
IESG IESG state Expired
Consensus boilerplate Unknown
Telechat date (None)
Responsible AD (None)
Send notices to (None)

This Internet-Draft is no longer active. A copy of the expired Internet-Draft is available in these formats:


The Domain Name System's wire protocol includes a number of fixed fields whose range has been or soon will be exhausted, does not allow clients to advertise their capabilities to servers, and does not support the use of multiple questions per request. This document describes backward compatible mechanisms for allowing the protocol to grow.


Paul A. Vixie

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