ip173-kdr.AS56246.sdi.net.id 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 ip173-kdr.AS56246.sdi.net.id is not the root of its zone.
Instead, try zone transfer on sdi.net.id .