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 3uo9h8cddr0ko92oh4cqagvb09qsqhii.scannet2.dk is not the root of its zone.
Instead, try zone transfer on scannet2.dk .
Instead, try zone transfer on scannet2.dk .