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 adh116cb128.fbb1.oracleemaildelivery.com is not the root of its zone.
Instead, try zone transfer on oracleemaildelivery.com .
Instead, try zone transfer on oracleemaildelivery.com .