45-237-45-54.reverse.masternet.com.py 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 45-237-45-54.reverse.masternet.com.py is not the root of its zone.
Instead, try zone transfer on masternet.com.py .