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Public resolvers. DNS over TLS was first implemented in a public recursive resolver by Quad9 in 2017. Other recursive resolver operators such as Google and Cloudflare followed suit in subsequent years, and now it is a broadly-supported feature generally available in most large recursive resolvers.
The 1.1.1.1 DNS service operates recursive name servers for public use at the twelve IP addresses listed below. These addresses are mapped to the nearest operational server by anycast routing. The DNS service is also available for Tor clients. Users can set up the service by manually changing their DNS resolvers to the IP addresses below.
Most services now support secure DNS lookup transport services such as DNS over TLS (DoT), DNS over HTTPS (DoH) and DNS over QUIC (DoQ). Public DNS resolvers are operated either by commercial companies, offering their service for free use to the public, or by private enthusiasts to help spread new technologies and support non-profit communities.
Google Public DNS. Google Public DNS is a Domain Name System (DNS) service offered to Internet users worldwide by Google. It functions as a recursive name server . Google Public DNS was announced on December 3, 2009, [1] in an effort described as "making the web faster and more secure." [2] [3] As of 2018, it is the largest public DNS service ...
DNS over HTTPS (DoH) is a protocol for performing remote Domain Name System (DNS) resolution via the HTTPS protocol. A goal of the method is to increase user privacy and security by preventing eavesdropping and manipulation of DNS data by man-in-the-middle attacks by using the HTTPS protocol to encrypt the data between the DoH client and the DoH-based DNS resolver.
DNS over HTTPS was developed as a competing standard for DNS query transport in 2018, tunneling DNS query data over HTTPS, which transports HTTP over TLS. DoH was promoted as a more web-friendly alternative to DNS since, like DNSCrypt, it uses TCP port 443, and thus looks similar to web traffic, though they are easily differentiable in practice ...
Non-validating stub resolvers must rely on external DNSSEC validation services, such as those controlled by the user's Internet service provider or a public recursive name server, and the communication channels between itself and those name servers, using methods such as DNS over TLS.
CleanBrowsing. CleanBrowsing is a free public DNS resolver with content filtering, founded by Daniel B. Cid and Tony Perez. It supports DNS TLS over port 853 and DNS over HTTP over port 443 in addition to the standard DNS over port 53. CleanBrowsing filters can be used by parents to protect their children from adult and inappropriate content ...