IANA Registry for Special Labels in the DNS

Document Type Expired Internet-Draft (individual)
Author Paul Hoffman 
Last updated 2019-04-04 (latest revision 2018-10-01)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document defines an new IANA registry for special labels in the DNS. The registry is useful because the labels cause special handling in DNS entities such as stub resolvers, recursive resolvers, and applications that use DNS, and developers of software for those entities should be aware of the many types of special labels in use. [[ A GitHub repo for this document is at https://github.com/paulehoffman/dns-special-labels ]]


Paul Hoffman (paul.hoffman@icann.org)

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