_github-challenge-KEYPOINT.key-p.co.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 _github-challenge-KEYPOINT.key-p.co.jp is not the root of its zone.
Instead, try zone transfer on key-p.co.jp .