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 231.83.54.207.in-addr.arpa.ap.iphmx.com is not the root of its zone.
Instead, try zone transfer on ap.iphmx.com .
Instead, try zone transfer on ap.iphmx.com .