[Unbound-users] unbound 1.4.6 does not seem to have support of additional sections for NAPTR records

Stephan Lagerholm stephan.lagerholm at secure64.com
Mon Feb 7 02:58:31 UTC 2011

Florian Weimer:
>* Stephan Lagerholm:
>> Florian Weimer:
>>>I'm really not sure if additional section processing is worth the
>> For a normal Internet DNS, getting the MX as an additional RR it
>> certainly is worth it to save one query when mails are being sent.
>There is no way to signal the absence of an AAAA RRset, so you still
>have to make another round-trip to the DNS resolver if you're
>IPv6-enabled and the MXes aren't.  (A and AAAA RRsets aren't cached as
>an atomic unit.)

Good point. I wonder how many MTAs that actually check that...

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