Bind behaves weirdly

jc pinoteau jc.pinoteau at
Wed Dec 29 21:39:02 UTC 2004

> I have occasionally seen this.  I could be mistaken here.  My
> impression is that it occurs when all nameservers for the domain are
> inside that domain, and apparently the glue A records for those
> nameservers expired before the NS records themselves.  It seems that,
> in those conditions, bind won't be able to resolve the address
> properly until the NS records time out.

It's an interesting hypothesis. In my case it happens almost every day and
mostly with mainstream website like google or yahoo. My bind can't resolve
while the forwarder can.

> Some time ago, I set "max-cache-ttl 43200 ;" in my options.  I don't
> recall seeing the problem since then -- at least not on my servers.
> I still see it on some other campus servers which lack that option
> setting.  Incidently, the reason for the option setting was unrelated
> to this problem.

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