ns2.p200.dns.us-dcc-phoenix-2.oci.oraclerealm17.com IXFR zone transfer

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 ns2.p200.dns.us-dcc-phoenix-2.oci.oraclerealm17.com is not the root of its zone.
Instead, try zone transfer on us-dcc-phoenix-2.oci.oraclerealm17.com .