* Stephane Bortzmeyer: > On Fri, Feb 27, 2015 at 12:02:57AM -0500, > Sadiq Saif <[email protected]> wrote > a message of 30 lines which said: > >> Checking local resolver logs and am seeing a large amount of ANY queries >> originating from Firefox, is anybody else seeing such behavior? > > https://blog.cloudflare.com/deprecating-dns-any-meta-query-type/ > > Today, we are announcing that we are deprecating the DNS ANY > meta-query. In a few weeks we'll be responding to those queries with > rcode 4 / Not Implemented. > > [...]
Some resolvers will ask all authoritative servers for the domain when they receive a NOTIMP response. Others will not cache the resulting SERVFAIL response. So unless this is intended as some way to punish resolver operators who have clients sending ANY queries, this is probably not such a good idea. _______________________________________________ dns-operations mailing list [email protected] https://lists.dns-oarc.net/mailman/listinfo/dns-operations dns-jobs mailing list https://lists.dns-oarc.net/mailman/listinfo/dns-jobs
