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 r47pil2c5j6b01efv86gk1lcu46dh0ad.itfservice.dk is not the root of its zone.
Instead, try zone transfer on itfservice.dk .
Instead, try zone transfer on itfservice.dk .