_20e57f3f1d75eeab8df91a4e46f2be48.mhbtsbpdnt.acm-validations.aws 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 _20e57f3f1d75eeab8df91a4e46f2be48.mhbtsbpdnt.acm-validations.aws is not the root of its zone.
Instead, try zone transfer on mhbtsbpdnt.acm-validations.aws .