[dns-operations] Mozilla Firefox and ANY queries

Paul Vixie paul at redbarn.org
Fri Mar 6 20:57:59 UTC 2015

> Florian Weimer <mailto:fw at deneb.enyo.de>
> Friday, March 06, 2015 12:03 PM
> 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.

to put the punishment where it belongs, i suggest that NOERROR/ANCOUNT=0
is a correct response to ANY from a non-trusted source.

Paul Vixie
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