[Nagiosplug-help] check_dns oddity

Peter Radcliffe pir at pir.net
Thu Dec 12 07:25:05 CET 2002


Bart Matthaei <bart at cysonet.com> probably said:
> When I did a tcpdump, and some log checking, it became clear to me
> that check_dns was doing a reverse lookup of the IP the nameserver is
> running on. But it's not querying the caching nameservers defined in
> /etc/resolv.conf .. It's querying the nameserver I'm doing the check
> on.

check_dns uses nslookup, which does that lookup. Use check_dig, which
uses dig, and does not.

P.

-- 
pir                pir-sig at pir.net                 pir-sig at net.tufts.edu





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