Choosing a public DNS resolver
Pick what matters to you, such as privacy, malware blocking, parental controls, speed, IPv6, or a specific jurisdiction, and the finder narrows 29 global public resolvers to the ones that fit.
https://evilbit.de/dns-resolver-guide.html#finder
Of course, this may not be useful for someone who runs their own DNS resolver on RPi at home with Adblocker at DNS level or at work but this a great little tool for home users or anyone who wish to use 3rd party DNS resolver