Migration: Gotta make sure DNS is all aligned. This is plaguing me. Gotta get it right the 1st time!!
• Edit /var/named/run-root/var/domainname.com to reflect correct SOA and NS records also A records.
• Increment the record!!!
• Make sure to restart the named with something like /etc/init.d/named restart
• Be sure to add in webmail subdomain as stated here.
Caching server (local )
For testing consider editing hosts file as mentioned in earlier post or manual enter on caching server.
Nameservers 1 and 2:
Change the SOA for the slave files and apply settings check to see that record is updated.
Check KLOTH.NET for updated values as outside source/verification.