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CNAME Discovery of Local DoH Resolvers

Document Type Expired Internet-Draft (individual)
Expired & archived
Authors Eric Rescorla , Jason Livingood
Last updated 2020-12-27 (Latest revision 2020-06-25)
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This Internet-Draft is no longer active.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:


This note describes a simple mechanism for determining whether an Internet Service Provider (ISP) network is operating a DNS over HTTPS [RFC8484] server on it for users connected to that network. Discussion Venues This note is to be removed before publishing as an RFC. Source for this draft and an issue tracker can be found at (


Eric Rescorla
Jason Livingood

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