F6C744C05364E5B7D78D108825462B40.B15F2AA69CCCB892BD42F75DC3FE60E5.639b863b0790e.comodoca.com AXFR zone transfer

Not an apex domain The domain F6C744C05364E5B7D78D108825462B40.B15F2AA69CCCB892BD42F75DC3FE60E5.639b863b0790e.comodoca.com is not the root of its zone.
Instead, try zone transfer on comodoca.com .