Fast DNS and adblocking DNS (or other methods, for that matter) are not mutually exclusive topics, even assuming your primary use case for DNS resolution on a given machine is web browsing.

Absolutely — fast DNS and adblocking DNS aren’t mutually exclusive. The tool here is focused on resolver speed and monitoring, but it can benchmark adblocking resolvers just as well. That way you can pick the one that balances performance with blocking, depending on your browsing needs.