mta-aws-9-212-151-54.mailtarget.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 mta-aws-9-212-151-54.mailtarget.co is not the root of its zone.
Instead, try zone transfer on mailtarget.co .