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 g-ns-3570.awsdns-cn-19.cn is not the root of its zone.
Instead, try zone transfer on awsdns-cn-19.cn .
Instead, try zone transfer on awsdns-cn-19.cn .