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 v163-44-197-18.a002.g.bkk1.static.cnode.io is not the root of its zone.
Instead, try zone transfer on a002.g.bkk1.static.cnode.io .
Instead, try zone transfer on a002.g.bkk1.static.cnode.io .