nova-078-040-251-069.corp.novanet.is IXFR zone transfer

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 nova-078-040-251-069.corp.novanet.is is not the root of its zone.
Instead, try zone transfer on corp.novanet.is .