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 21eb7595b9549cd7437f70e3f0fb5292.ee.net is not the root of its zone.
Instead, try zone transfer on ax-msedge.net .
Instead, try zone transfer on ax-msedge.net .