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 r14d793h03cmo0noa0knm4i3fab0je3j.itfservice.dk is not the root of its zone.
Instead, try zone transfer on itfservice.dk .
Instead, try zone transfer on itfservice.dk .