Not an apex domain
The domain D9F4547AE54C37A571C4E693A73AB3F3.B59F17FA3F6C3A4EC53C3A2F02FB46D3.4ZAXATgfIs6bJ7ybfrP8.sectigo.com is not the root of its zone.
Instead, try zone transfer on sectigo.com .
Instead, try zone transfer on sectigo.com .