138-122-97-12.internet.static.ientc.mx 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 138-122-97-12.internet.static.ientc.mx is not the root of its zone.
Instead, try zone transfer on ientc.mx .