host-80-87-19-75.2i3.net 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 host-80-87-19-75.2i3.net is not the root of its zone.
Instead, try zone transfer on 2i3.net .