Someone knowledgeable about DNS: Changing master server

I need to switch to another master server and found this steps at cpanel.net's forum:

1) Make your new master a slave to the existing master. I am assuming you know the steps to do this correctly.
2) run /scripts/dnstransfer on new master (currently slave)
3) restart named on new master (still slave)
4) After all zones have transfered (tail -f /var/log/messages to monitor this), remove the master IP or hostname found in /etc/wwwacct.conf (or from WHM setup) on the new master.
5) Run /scripts/unslavenamedconf on the new master.
6) Edit /etc/named.conf on the new master for the allow-transfer option.
7) From WHM, setup each slave to be a slave to the new master. Do not forget to edit the IP in setup first (or in /etc/wwwacct.conf).
8) From the root shell on each slave server, run /scripts/dnstransfer and then restart named. tail -f /var/log/messages to watch and make sure all is well.
9) Make the original master a slave to the new master.
10) Check the new master and make sure all is well.
11) Change your ip with your registrar.

Does anybody here know how to do 6) ? I don't know what allow-transfer in /etc/named.conf is. A search in it returns nothing.

Thanks
John

 

 

 

 

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