can someone guide tips or step by step guidline how to build using centos/rhel 6.x global dns server. we need to have 1 public ip to map/route allow in firewall for this right.
basic issue is that
we have tmsa.com domain local within network, and outside also tmsa.com, soon we try to resolve webmail.tmsa.com(is global ip), so when we tuype on our local machine this url it never resolve.
please give me all possible way to build 1st global dns server