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Minimal EDNS compliance requirements

Document Type Expired Internet-Draft (individual)
Expired & archived
Authors Petr Špaček , Ólafur Guðmundsson , Ondřej Surý
Last updated 2018-11-30 (Latest revision 2018-05-29)
RFC stream (None)
Intended RFC status (None)
Stream Stream state (No stream defined)
Consensus boilerplate Unknown
RFC Editor Note (None)
IESG IESG state Expired
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This Internet-Draft is no longer active.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:


DNS responders must either follow RFC 6891 by fully implementing EDNS or at least respond to queries containing OPT record according to older specifications. Non-compliant implementations which do not respond at all are not worth talking to.


Petr Špaček
Ólafur Guðmundsson
Ondřej Surý

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