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 biq8mfvc4ekct17v8jvbsf4l0klvcf1l.carlog.dk is not the root of its zone.
Instead, try zone transfer on carlog.dk .
Instead, try zone transfer on carlog.dk .