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 ns3203188.ip-141-95-33.eu is not the root of its zone.
Instead, try zone transfer on ip-141-95-33.eu .
Instead, try zone transfer on ip-141-95-33.eu .