hotstuff-3.cs.uct.ac.za 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 hotstuff-3.cs.uct.ac.za is not the root of its zone.
Instead, try zone transfer on ac.za .