Not an apex domain
The domain 7c5b19c0c45e21c2aaef60d37070d908.e5d88fbf6b2befa01cdb58226064792a.7f4cd270052e73f.comodoca.com is not the root of its zone.
Instead, try zone transfer on comodoca.com .
Instead, try zone transfer on comodoca.com .