vm-45-113-234-0.rc.cloud.unimelb.edu.au 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 vm-45-113-234-0.rc.cloud.unimelb.edu.au is not the root of its zone.
Instead, try zone transfer on rc.cloud.unimelb.edu.au .