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 cpe-124-187-32-64.static.nsw.asp.telstra.net is not the root of its zone.
Instead, try zone transfer on nsw.asp.telstra.net .
Instead, try zone transfer on nsw.asp.telstra.net .