fl-1-35.zhdk.cloud.switch.ch 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 fl-1-35.zhdk.cloud.switch.ch is not the root of its zone.
Instead, try zone transfer on cloud.switch.ch .