host-156-17-75-75.pwr.edu.pl IXFR zone transfer

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 host-156-17-75-75.pwr.edu.pl is not the root of its zone.
Instead, try zone transfer on pwr.edu.pl .