sco-imail-01.sec-cloud.pref.okayama.jp 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 sco-imail-01.sec-cloud.pref.okayama.jp is not the root of its zone.
Instead, try zone transfer on sec-cloud.pref.okayama.jp .