BIND has supported dynamic zones for like 15 years. Declare the zone dynamic, generate a key, apply the key to the zone as authorized to make changes, and then

BIND has supported dynamic zones for like 15 years. Declare the zone dynamic, generate a key, apply the key to the zone as authorized to make changes, and then use nsupdate command to make changes === nsupdate -k your.keyfile server ns.your.zone update add foo.your.zone. 3600 IN A 1.2.3.4 send === You can script it too if you want