Yes CT is explicitly stated source which is why I qualified it with "Guess" for domain registration. There were couple reasons for that - 1. Quite a few websit

Yes CT is explicitly stated source which is why I qualified it with "Guess" for domain registration. There were couple reasons for that - 1. Quite a few websites in the search results where just on HTTP 2. The .gov sites do use public certificate authorities like digicert, verisign, amazon & letencrypt so they would have been captured unless they are removed explicitly And yes the domain registration would not include subdomains