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 103-250-90-0.rdns.vetta.net.nz is not the root of its zone.
Instead, try zone transfer on vetta.net.nz .
Instead, try zone transfer on vetta.net.nz .