Not an apex domain
The domain host-2-164.mdu.gaanram.athens.ga.us.clients.pavlovmedia.net is not the root of its zone.
Instead, try zone transfer on mdu.gaanram.athens.ga.us.clients.pavlovmedia.net .
Instead, try zone transfer on mdu.gaanram.athens.ga.us.clients.pavlovmedia.net .