213-204-206-55.clients.sappa.info 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 213-204-206-55.clients.sappa.info is not the root of its zone.
Instead, try zone transfer on clients.sappa.info .