@techreport{jabley-dnsop-no-longer-support-any-00, number = {draft-jabley-dnsop-no-longer-support-any-00}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-jabley-dnsop-no-longer-support-any/00/}, author = {Joe Abley and Brian Haberman}, title = {{Continuing to Reduce Support for ANY Queries in the DNS}}, pagetotal = 8, year = 2026, month = aug, day = 6, abstract = {The DNS specification from its earliest day supported a special query type (QTYPE) ANY. The handling of queries with QTYPE=ANY is observed to vary between implementations. Queries with QTYPE=ANY are known to facilitate amplification that can be abused and used by malicious actors to attack third parties, and minimally-sized responses are often constructed in order to mitigate those security risks. While queries with QTYPE=ANY can be used for troubleshooting in some cases, the substantial inconsistency in how such queries are handled makes them at best an unreliable signal. This document continues a careful and gradual process of dropping support for QTYPE=ANY from the DNS.}, }