Not an apex domain
The domain 8bc2e8f48b2c35d9b82f1c8cfca81418.5a8349868bc03a9d446616ed4cb7d264.nv5kq55f5kcni12d5ym7.sectigo.com is not the root of its zone.
Instead, try zone transfer on sectigo.com .
Instead, try zone transfer on sectigo.com .