IPAM changes the transfer zone tab by adding the IP Address of the IPAM server. This feature requires an Admin account for adding DNS servers.
When you add a DNS server in IPAM, it changes the Transfer Zone Configurations on the DNS server.
For example: If you have the Allow zone transfers selected for servers listed on the Name Servers Tab, IPAM will set this configuration to Only to the Following Servers.
To manually configure your DNS server.