core04-swarm12-uche.leaddesk.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 core04-swarm12-uche.leaddesk.net is not the root of its zone.
Instead, try zone transfer on leaddesk.net .