symc-87-124-8-0.symphony.net.th 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 symc-87-124-8-0.symphony.net.th is not the root of its zone.
Instead, try zone transfer on symphony.net.th .