check_dns issues

[G. S. Marzot]

In my copy of Nagios w/ plugins , the check_dns plugin relies on 
nslookup. There are some unfortunate side-effects when trying to use 
this plugin to monitor the DNS response from a specific server. If the 
server supplied to the plugin on the commandline fails to respond, the 
nslookup cmd will fallback to using servers in the monitoring nodes 
/etc/resolv.conf. So a failing server will appear to work if any of 
those other servers respond... Anyone thought to move this plugin to use 
'dig'?

thanks for any info.

-Giovanni

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