Still Having Intermittent Issues Resovling External Domains
Joel M Nimety
jnimety at cybergnostic.com
Mon May 31 14:29:37 UTC 2004
We are still experiencing problems:
> We're experiencing intermittent issues resolving domain names. Often
> these domains are microsoft.com, cnn.com, etc. We are running 3
> identical servers and sometime they can go a week or two without any
> trouble (othertimes only hours), then without warning one server will
> be unable to perform a recursive lookup for a few domains.
>
> rndc flush has no effect, restarting bind fixes any problems.
Someone suggested that it may be a firewall issue. We have contacted
our fw vendor and made changes to allow all dns traffic through. This
didn't fix the problem.
Next, I installed bind 9.3beta4 on one of the machines and forced edns
size to 512. About an hour later this box failed.
We are getting desperate. I can provide tcpdumps and configs if
necessary.
Many thanks to anyone who can help.
--
Joel Nimety
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