[dns-operations] NXDOMAIN and negative caching

[Tony Finch]

Andrew Sullivan <ajs at anvilwalrusden.com> wrote:
>
> > - An NXDOMAIN indicates /no/ records exist for that name.
>
> Almost.  With DNSSEC, you'll get records for that name, but they prove
> its non-existence.

Only if you happen to query for an NSEC3 owner name :-)

Tony.
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