_DFB5B7DBF10BFC0BA3F3293238D7EADA.mail.ntc.net.pk 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 _DFB5B7DBF10BFC0BA3F3293238D7EADA.mail.ntc.net.pk is not the root of its zone.
Instead, try zone transfer on sectigo.com .