Re: Need Help on DNS Traffic / Configuration issues

In article <bdv7tn$18qd$1@sf1.isc.org>, Wolf-D. Perl <perl@smk-gmbh.de> wrote:
>> If you're still getting lots of lame delegation warnings, it must be due to
>> queries coming from your network. There are lots of lame delegations out
>> there, especially for reverse domains; so any software that does lots of
>> reverse DNS lookups (like mail servers or web server log analyzers) will
>> cause many of these warnings.
>
>thanks for the reply,
>but what i don't understand is that you say the lame server queries
>come from my internal network.
>i have only a small network here and i trace the traffic of my public
>ips.
>the trace shows me much traffic on port 53 coming in from the outside.
>even in a time between midnight and the early morning, where nobody is
>working and all clients are down the lame server messages appear.
>and my gateway has no services running which affects this.

Are those queries looking up names in domains that are delegated to your
nameservers? If so, that's normal, but it shouldn't cause lame delegation
warnings.

I'll say it for a third time: TURN ON QUERY LOGGING so you can see what's
being looked up. We're all just guessing here without this information.

--
Barry Margolin, barry.margolin@level3.com
Level(3), Woburn, MA
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