Re: how to debug a DNS resolution problem ?

[John Summerfied <debian herakles homelinux org>]

Roger PeXa Escobio wrote:
> Hi
>
> I am using dig to troubleshoot a DNS problem, but I
> just can't increase the debug in the query :-(
>
> I am using this query:
> dig +trace +recurse +all +qr -t NS sld.cu.
>
> it  give me lot of information but do not print to
> whom I am sending the query, I get the IP in the
> anwser's display section but what should I do if I do
> not get an anwser and I need to know why I get the
> error? 

For the full scoop on what's going in and out of the box, run tcpdump or 
(arguably better) ethereal.

Both can filter and record all traffic, the latter uses a GUI to give a 
nice presentation.


--

Cheers
John

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