In message <caaiteh9-jqzw0fhlyx5eqc0s0hgw7snpo17akspav1ywbab...@mail.gmail.com>
Matthew Pounsett <m...@conundrum.com> wrote:

>On Tue, 7 Sept 2021 at 03:45, Stephane Bortzmeyer <bortzme...@nic.fr> wrote:
>
>> The only solution is chasing the delegations from the root (which is
>> what dig +trace is doing). Caching speeds it, this is why it is
>> better to go through your resolver than using dig +trace.
>
>Yeah, you can pretty reliably get the answer in one or two steps by
>requesting the NS set for the FQDN.  You'll either get your answer, or
>get an SOA with the name of the enclosing zone.  Second lookup gets
>you the NS set for the enclosing zone.  Just using your local
>recursive server to deal with tracking down the answer should work
>well, unless for some reason you need to see every possible answer
>from every delegating name server.

I don't.  And your other points are well taken.  Having thought about the
problem some more, I see now that you're probably right and that I should
be able to code up something rather simple that will do the job if I put
my mind to it.  So thanks!


Regards,
rfg
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