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 n9172nnv3jt77e2icdnnfrai8gt1ma1g.maxnet.org.pl is not the root of its zone.
Instead, try zone transfer on maxnet.org.pl .
Instead, try zone transfer on maxnet.org.pl .