Deprecating the DNS ANY meta-query type

Post Details

Company

Cloudflare

Date Published

March 6, 2015

Author

Marek Majkowski, Ólafur Guðmundsson

Word Count

631

Company Posts That Month

8

Language

English

Hacker News Points

-

Post removed?

No

Source URL

blog.cloudflare.com/deprecating-dns-any-meta-query-type

Summary

The Domain Name System (DNS) continues to evolve with new developments and resource records types being added regularly. One such record type, DNS ANY meta-query, is being deprecated due to its lack of justified uses and the complexity it adds to DNS server code bases. ANY queries are not widely used by real world software, except for unpatched versions of qmaild and Firefox version 36.0 to 36.0.1. The decision to phase out ANY queries is supported by examples from other operators who have limited or disabled them in the past with minimal impact on Internet users.

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