mailfilter-89-45-235-5.instance.cloud.sunet.se 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 mailfilter-89-45-235-5.instance.cloud.sunet.se is not the root of its zone.
Instead, try zone transfer on instance.cloud.sunet.se .