[dns-operations] sophosxl.net problem?

Florian Weimer fw at deneb.enyo.de
Wed Nov 13 11:02:28 UTC 2019

* Paul Vixie:

>> It seems that a dual-mode BIND9 server does return recursive data
>> in answer to queries with "RD=0", but such answers then also have
>> "AA=0".
> sounds like a bug, some of which did slip through BIND9's cracks.

Aren't there cases where BIND 9 caches data in a
supposedly-authoritative-only view because the data is needed to send
NOTIFY queries to the right addresses?

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