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Date:      Thu, 4 Jan 2001 17:12:58 -0600
From:      "Eric Walters" <ewalters@nms2001.com>
To:        "Freebsd-Isp (E-mail)" <freebsd-isp@freebsd.org>
Subject:   Strange DNS issue
Message-ID:  <000b01c076a3$e13eccf0$628a13ac@me>

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I have a system running 4.0 stable with Bind 8.2.2 and I have been
experiencing some strange problems with other Internet DNS servers not being
able to properly resolve hosts on my DNS server.

Scenario:

I have mail.xyz.com, www.xyz.com, host.xyz.com as A records in my zone
files.
Very sporadically I get a call from someone saying that they cannot get to
www.xyz.com.  I have them ping around and they can ping mail and host, but
www comes back with unknown host.  If I have them do an nslookup and change
to another DNS server out on the net, it works.  A short while later the
problem will resolve itself.

The system running DNS is a little Pentium 75 and has 64mb ram.  I do not
have it doing anything else except DNS.  I don't think the performance of
the machine is causing the problem, but am not sure.  There are no errors in
the logs to indicate what the problem might be.

Any clues?

Thanks,

Eric



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