I currently have a running DNS server named NS1 that sits in our DMZ. I am in the process of replacing this server. The current name of the new server is Temp and it is on the inside of our network. Once NS1 is decomissioned, server Temp will be renamed to NS1, have the same IP address as NS1, and will be the primary DNS server. I am having trouble transferring the zones that are on NS1 to the Temp server. I have another active (secondary) DNS server in the DMZ called NS2. Should I make NS2 the primary DNS server, decomission NS1, then rename Temp to NS1 and move it into the DMZ, then transfer the zones, and then make it the primary DNS server?