ex2019-win2019.ip4lan.de 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 ex2019-win2019.ip4lan.de is not the root of its zone.
Instead, try zone transfer on ip4lan.de .