ether2-b-htz2.chr01.dc19.fsn.infra.rrs.ruhr 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 ether2-b-htz2.chr01.dc19.fsn.infra.rrs.ruhr is not the root of its zone.
Instead, try zone transfer on rrs.ruhr .