ip-005-010-187-224.um02.pools.vodafone-ip.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 ip-005-010-187-224.um02.pools.vodafone-ip.de is not the root of its zone.
Instead, try zone transfer on um02.pools.vodafone-ip.de .