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 unassigned-1.2.46.173.net.blink.ca is not the root of its zone.
Instead, try zone transfer on 173.net.blink.ca .
Instead, try zone transfer on 173.net.blink.ca .