hcm-server1.vnn.vn. 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 hcm-server1.vnn.vn. is not the root of its zone.
Instead, try zone transfer on vnn.vn .