I didn’t spot the “Privacy” link in the page footer
The policy looks comprehensive.
Are you willing to divulge what Public DNS resolver data you retain for debugging and for how long etc?
>Public Resolver Users. We use information we collect from Public Resolver Users to operate and improve the CleanBrowsing Resolver, such as to assist us in our debugging efforts if an issue arises. We do not use or store any Public Resolver User personal information