[CentOS] Slow domain resolution problem

Mon Aug 23 12:20:53 UTC 2010
Joseph L. Casale <jcasale at activenetwerx.com>

>The domain resolution is extremely slow from the application but doing 
>an nslookup gives an immediate response. All the applications have the 
>same issue, as do all the servers.

What does your /etc/nsswitch.conf and /etc/host.conf look like?