Not an apex domain
The domain c3145a6d-021e-49e6-9e27-5947b42507d1.fr-par-2.baremetal.scw.cloud is not the root of its zone.
Instead, try zone transfer on fr-par-2.baremetal.scw.cloud .
Instead, try zone transfer on fr-par-2.baremetal.scw.cloud .