64-187-64-248.iprev.kci.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 64-187-64-248.iprev.kci.net is not the root of its zone.
Instead, try zone transfer on iprev.kci.net .