[lug] DNS problems?

John Hernandez John.Hernandez at noaa.gov
Thu Sep 13 13:34:21 MDT 2001


Gary Frerking wrote:
> 
> I'm having problems with DNS working properly -- and am trying to
> determine if it's a local problem, a problem with our ISP, or a general
> Internet problem. This has been happening off and on for some time now
> (weeks? months?).
> 
> Basically, the symptoms are significant delays during lookups (often to
> the point of timing out) during "new" lookups (IOW, lookups that are
> likely not cached).
> 
> Are any of you seeing this kind of thing?
> 
> Does anybody have tips for troubleshooting into this? Is there some sort
> of "DNS trace route" app that can show me how the lookup is progressing?
> 

The closest thing that comes to mind is:

dig +trace <host.domain>

Maybe that will reveal where it hangs.

> Thanks.
> 
> -- Gary
> _______________________________________________
> Web Page:  http://lug.boulder.co.us
> Mailing List: http://lists.lug.boulder.co.us/mailman/listinfo/lug

-- 

  - John Hernandez - Network Engineer - 303-497-6392 -
 |  National Oceanic and Atmospheric Administration   |
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