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 qircmn3j8k9k98jc6ikb8cth0l80qdge.resennet.dk is not the root of its zone.
Instead, try zone transfer on resennet.dk .
Instead, try zone transfer on resennet.dk .