6D5FE5BB7DAA0286FF8E043B021D505B.7A0C6DAF7C4C98B44734BA6B6E8D68FA.ddd65ec0e1.ssl.com AXFR zone transfer

Not an apex domain The domain 6D5FE5BB7DAA0286FF8E043B021D505B.7A0C6DAF7C4C98B44734BA6B6E8D68FA.ddd65ec0e1.ssl.com is not the root of its zone.
Instead, try zone transfer on ssl.com .