Setup our OWN DNS Server

Dear All, I have email,web and FTP server hosting on our in house with public ip on Centos 6 on our own server. But email,web,ftp dns hosting with other third party service provider. I have enough public ip to host dns server for our own. So what are the requirements to host dns server and how to

Install DNS Server

Hi All, I am running Centos 5.7 32 bit server machine. I have installed and successfully run qmail,web,ftp with the same machine. Now am DNS hosting with third party. I would like to install and keep DNS hosting myself. How to do that , How to install Dns server with the same machine or different m