Slave DNS Not Syncing After Server Migration

[toreskev]

I will reply to myself again. Following the steps provided by the OP here resolved it for me:

Cluster slave server doesn't reload configuration

I did the tests in two new virtual machines I created in my lab from scratch. Both of them with Almalinux 8. I named the first one as primary.domain.local and installed Virtualmin GPL in it. In the second one I installed webmin and named it secondary.domain.local. I didn’t setup any firewall in both of them as they were in a private network so nothing was blocking 953 port. As for the nameservers, the first one was dns1.domain.local pointing to the same IP as primary.domain.local and the secon…

@jtomelevage maybe this is the case for you as well?