DNS/QTYPEについて、ここに記述してください。

../資源レコード

1. ANY meta-query type 論争

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

DJB: https://lists.dns-oarc.net/pipermail/dns-operations/2015-March/012947.html 

However, modifications to IETF's standard protocols need to be
handled through the established IETF procedures, with appropriate
respect for the existing standards and the installed base: