ptr-103-254-5-20.dsau.co IXFR zone transfer

Changes since SOA version

IXFR is a zone transfer request that returns changes since a specific SOA version. Enter the SOA version to request changes since then.

Not an apex domain The domain ptr-103-254-5-20.dsau.co is not the root of its zone.
Instead, try zone transfer on dsau.co .