n114-77-240-144.mas2.nsw.optusnet.com.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 n114-77-240-144.mas2.nsw.optusnet.com.au is not the root of its zone.
Instead, try zone transfer on nsw.optusnet.com.au .