Hi,

On Sun, 16 Aug 2015, Kurt Jaeger wrote:
Hi!

It could be the classic fall back to TCP on SRV records problem on
your upstream DNS forwarder if you're using one:

http://lists.freebsd.org/pipermail/freebsd-ports/2012-May/074801.html

If I query that same DNS resolver using the line from
the script, it works every time. It's a 10.1p16 host with
a very recent ports build, and directly connected (no NAT, no
fw etc).

If that would be the problem, how could I diagnose it in depth ?

freebsd-update upgrade just failed on 3 other vm even when I explicitly
specified the server using freebsd-update -s.

I had success on another vm when I changed to using google dns.

I am not aware that anything would be blocking tcp dns in my setups.

Must be something else dns related.

Perhaps I will run a local resolver in a vm and logg all queries and dns
traffic.

Greetings
Christian

--
Christian Kratzer                   CK Software GmbH
Email:   [email protected]               Wildberger Weg 24/2
Phone:   +49 7032 893 997 - 0       D-71126 Gaeufelden
Fax:     +49 7032 893 997 - 9       HRB 245288, Amtsgericht Stuttgart
Mobile:  +49 171 1947 843           Geschaeftsfuehrer: Christian Kratzer
Web:     http://www.cksoft.de/
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