7C5B19C0C45E21C2AAEF60D37070D908.E5D88FBF6B2BEFA01CDB58226064792A.7f4cd270052e73f.comodoca.com 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 7C5B19C0C45E21C2AAEF60D37070D908.E5D88FBF6B2BEFA01CDB58226064792A.7f4cd270052e73f.comodoca.com is not the root of its zone.
Instead, try zone transfer on comodoca.com .