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 c6m2vvs8abidcq9irrcvm5qr2aoeh0hk.scannet2.dk is not the root of its zone.
Instead, try zone transfer on scannet2.dk .
Instead, try zone transfer on scannet2.dk .