ip-203-142-5-57.onfiber.com.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 ip-203-142-5-57.onfiber.com.mx is not the root of its zone.
Instead, try zone transfer on onfiber.com.mx .