_smtp._tls.comtecint.dk 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 _smtp._tls.comtecint.dk is not the root of its zone.
Instead, try zone transfer on tls-rpt.tech .