The public recursive name servers, also called public DNS resolvers, that are available for the public include AdGuard, CleanBrowsing, Cloudflare, and many more.
A public recursive name server (also called public DNS resolver) is a name server service that networked computers may use for query to the Domain Name System (DNS), the decentralized Internet naming system, in place of or in addition to name servers operated by the local Internet service provider (ISP) to which the devices are connected. AdGuard CleanBrowsing Cloudflare Comodo Dyn Google Neustar OpenDNS OpenNIC Quad9 Yandex 
