Not an apex domain
The domain 2D8F0B8BB71B7DE2DC466E14B1CB53CF.496C4E3AB109C1DDF5E19A8A5BCEDEBA.TVdSVhH55554Vd5LfzxC.sectigo.com is not the root of its zone.
Instead, try zone transfer on sectigo.com .
Instead, try zone transfer on sectigo.com .