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Minimal EDNS compliance requirements

Document Type Expired Internet-Draft (individual)
Authors Petr Špaček , Ólafur Guðmundsson , Ondřej Surý
Last updated 2018-11-30 (Latest revision 2018-05-29)
Stream (None)
Intended RFC status (None)
Expired & archived
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This Internet-Draft is no longer active.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.)