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The DNS Is Not Classy: DNS Classes Considered Useless

Document Type Expired Internet-Draft (individual)
Expired & archived
Author Andrew Sullivan
Last updated 2017-01-09 (Latest revision 2016-07-08)
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)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft is available in these formats:


Domain Name System Resource Records are identified in part by their class. The class field is not effective, and it is not used the way it appears to have been intended. This memo suspends additions to the DNS class registry pending greater clarity on how classes might be used, and until such clarification requires those defining new RRTYPEs to define them for all classes.


Andrew Sullivan

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