Third party services (e.g. https://www.webshrinker.com/apis/ https://www.webshrinker.com/apis/) exist to perform this kind of classification. They'll be doing t

Third party services (e.g. https://www.webshrinker.com/apis/ https://www.webshrinker.com/apis/) exist to perform this kind of classification. They'll be doing the classification API calls from the client (CIP-enrolled) machine, then sending the results (and not the domains or URLs that generated them) back to their own endpoint.