[smokeping-users] DNS probe failing for one host

G.W. Haywood ged at jubileegroup.co.uk
Wed Mar 4 14:25:59 CET 2009

Hi there,

On Wed, 4 Mar 2009, Lars Hecking wrote:

>  (G.W., I just spotted your reply in the list archive, it seems I didn't
>   receive it by email).

That's because you bounced it.  I'm not offended in the slightest. :)

> G.W. Haywood writes:
> > Wild guess: Are the probes using TCP and manual dig using UDP?
>  As far as I can tell by looking at the code, smokeping simply runs
>  /usr/bin/dig @server lookuphost, which should simply issue a UDP probe.

Probably not that then.

>  Hhm. It looks like the remote server cannot resolve Internet queries.
>  WTH have our NOC been up to? Need to investigate ...

I probably should have mentioned Ethereal.  Sorry, WireShark.  It's a
wonderful tool.  You could probably do it with tcpdump but it isn't
nearly so much fun.



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