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 U6A96QRSRH3KC6F2UG86E7JN4RB6SDFG.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 .