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From Per Jessen <...@computer.org>
Subject [users@httpd] Re: Unexpected/Unwanted DNS lookups
Date Wed, 15 Aug 2007 10:02:31 GMT
Steve Swift wrote:

> We don't use reverse DNS in our error logs, so I'm wondering what else
> might be calling on DNS services?
> 
> We've now fixed the DNS issues, so this is something of an
> intellectual exercise, but there is always the response time bonus of
> eliminating the DNS calls to consider.

If you trace what is being looked up, it might give you a clue to where
the queries are coming from.  Turn on query logging or use tcpdump.


/Per Jessen, Z├╝rich



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