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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."
A public recursive name server (also called public DNS resolver) is a name server service that networked computers may use to query 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.
The key functionality of the DNS exploited here is that different users can simultaneously receive different translations for the same domain name, a key point of divergence from a traditional phone-book view of the DNS. This process of using the DNS to assign proximal servers to users is key to providing faster and more reliable responses on ...
Android clients running Android Pie or newer support DNS over TLS and will use it by default if the network infrastructure, for example the ISP, supports it. [13] [14]In April 2018, Google announced that Android Pie will include support for DNS over TLS, [15] allowing users to set a DNS server phone-wide on both Wi-Fi and mobile connections, an option that was historically only possible on ...
About half of these clients were using Google's public DNS resolver. In September 2015, Verisign announced their free public DNS resolver service, [ 76 ] and although unmentioned in their press releases, it also performs DNSSEC validation.
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 [1] by using the HTTPS protocol to encrypt the data between the DoH client and the DoH-based DNS resolver. [2]
A root name server is a name server for the root zone of the Domain Name System (DNS) of the Internet. It directly answers requests for records in the root zone and answers other requests by returning a list of the authoritative name servers for the appropriate top-level domain (TLD).
The initiative involves a limited number of leading DNS service providers, such as Google Public DNS, [34] and CDN service providers as well. With the edns-client-subnet EDNS0 option , CDNs can now utilize the IP address of the requesting client's subnet when resolving DNS requests.