Problem when resolving - works only once or twice

Thomas L. deather.dede at gmail.nospam.com
Mon Oct 20 06:55:21 UTC 2008


On 2008-10-12, Barry Margolin <barmar at alum.mit.edu> wrote:
>
> The "host <hostname>" command performs three lookups: A record, AAAA 
> record, and MX record.
>
> So it looks like your server returns a response when looking up the A 
> record, but an NXDOMAIN error when looking up the AAAA or MX records.  
> This is incorrect behavior: NXDOMAIN means the name doesn't exist at 
> all, not that it doesn't have a record of the requested type.

Thanks for pointing out this issue. It was the problem. My bind was
caching the NXDOMAIN, disabling the cache "solved" (well, this is
much of a workaround than a real fix) the problem.

-- 
Thomas


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