epike on Mon, 4 Aug 2003 18:21:06 -0400


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Re: [PLUG] FW: BIND troubleshooting / help


> > --> 11. In the DNS and bind book (Cricket book) the explanation for negative
> > --> caching TTL says "TTL stands for time to live. This value applies to all
> > --> negative responses from the nameservers authoritative for the
> > --> zone" Now we
> > --> both know as much as we did before. :-)
> 
> 
> Negative TTL is cached "not found" answers.  If i query your domain and
> find that somehost.yourdomain.com is not existing, your negative TTL tells
> my named to just keep on returning to me the error till the timer runs out.
> named caches negative as well as positive hits to minimize queries.

i also forgot to mention...the old ttl is now the $TTL that appears
at the top of the zone file.  the ttl, the 5th field in soa, is really
the negative ttl now .  At least thats what i undertand the ora book says.

epike
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