Linux DNS Useful Websites
If you ever tried to play with DNS, you will appreciate the following websites. DNS is just like programming the old PBX systems: you spend a great deal of time setting it up (anger, sleepless night , you name it) then you do not touch it in another 6 months or years.
Setting up DNS With Webmin
http://rimuhosting.com/support/bindviawebmin.jsp
DNS with Webmin
http://doxfer.com/Webmin/BINDDNSServer
BIND
http://www.centos.org/docs/5/html/5.2/Deployment_Guide/ch-bind.html
Centos Manual
http://www.centos.org/docs/5/
Setup DNS on Centos
http://www.lamolabs.org/blog/282/how-to-setup-a-dns-server-on-centos-5/