SUMMARY: Two problematic DNS queries

[Johann Spies <jspies@sun.ac.za>]

Original message:
> We have two main DNS-servers on our campus and on I have problems in
> resolving the next two addresses on them:
>
> www.shofar.co.uk
> www.cambridge.org
>
> The results are not consistent.  Today one of them could resolve both
> addresses after a delay while the other one (using the same tables and
> configuration) could not:

The problem is not solved yet, but a few indicators point to faulty
dns entries on a server serving those two domains.

Thanks to Pablo Jejcic, Victor Engle, Martin Maney, Neil Dombrowski
and Mike Kercher for their input.

I have learnt a few things:

1. Use "dig . ns > db.cache" to produce an updated hints
   file.
2. Use "dig +trace <domain>" can identify some problems.
3. Run a check from an internt zone tester like
   http://www.tenet.ac.za/checkzone.htm

Both 2 and 3 indicated some problems near the destination domains.

I suppose I have to get into touch with the administrators of the
dns-servers invovled.

Regards
Johann
--
Johann Spies          Telefoon: 021-808 4036
Informasietegnologie, Universiteit van Stellenbosch

     "But as it is written, Eye hath not seen, nor ear
      heard, neither have entered into the heart of man, the
      things which God hath prepared for them that love
      him."      I Corinthians 2:9

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