[dns-operations] Reporting glue as authoritive data -- Bug!

[Florian Weimer]

* Paul Vixie:

> QTYPE=ANY is so poorly specified and so widely misimplemented that
> you can't use it in normal operations, it is, at best, a diagnostic
> tool (a weak one).

Sendmail used QTYPE=ANY to retrieve A and AAAA records in one query.
I guess quite a few mail servers still do this, so it should better
work, at least to some degree.

But then, Sendmail seems to fail to properly sort MX records by
priority in some cases.  Oh well.

-- 
Florian Weimer                <fweimer at bfk.de>
BFK edv-consulting GmbH       http://www.bfk.de/
Kriegsstraße 100              tel: +49-721-96201-1
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