Not an apex domain
The domain 7A88715AE8F8C527F3A2E6370C448DDA.F95213F7458E4F2A6F3DCEF620496C5B.t0576283001693560836.sectigo.com is not the root of its zone.
Instead, try zone transfer on sectigo.com .
Instead, try zone transfer on sectigo.com .