[CentOS] DNS caching is not working on CentOS

[Gordon Messmer]

On 02/08/2013 11:09 AM, Ed Morrison wrote:
> For whatever reason I can not get dns caching to work on any of my
> centos boxes.  Running Centos 5 and 6.  Any thoughts on why these will
> not run?  The services start fine but when telling to perform a dig
> using itself as the resolver the queries fail (See below).
...
> [root at qmail ~]# ps -aux | grep pdns-recursor
> root      7908  0.0  0.1  61208   568 pts/2    R+   11:07   0:00 grep
> pdns-recursor

This certainly doesn't look like the service started fine.  Check the 
messages and audit log after starting pdns-recursor.  If the process is 
running (it is not in the output you included above), check the same 
logs after issuing queries as well.