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 szerver2.kossuthzs-hodm.edu.hu is not the root of its zone.
Instead, try zone transfer on kossuthzs-hodm.edu.hu .
Instead, try zone transfer on kossuthzs-hodm.edu.hu .