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 DE72PR0EASKD942UF96BDPB34CSCP7HK.dotarai.co.th is not the root of its zone.
Instead, try zone transfer on dotarai.co.th .
Instead, try zone transfer on dotarai.co.th .