h2195-322-321s77-021-d.ist.berkeley.edu 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 h2195-322-321s77-021-d.ist.berkeley.edu is not the root of its zone.
Instead, try zone transfer on ist.berkeley.edu .