Free Domain Name System (DNS) service with faster, more reliable, and secure conversions of website names to IP addresses.
Google Public DNS is a free Domain Name System (DNS) service offered by Google. It provides alternative DNS server addresses that can be configured in home networking routers, devices, and operating systems.
The aim of Google Public DNS is to provide a faster, more reliable, and more secure way for devices to convert human-readable website names (like www.example.com) into the numerical IP addresses (like 192.0.2.1) needed to connect to them. This process of converting names to addresses is called DNS resolution.
As a DNS service, Google Public DNS provides dedicated DNS resolvers that devices can be set to use instead of their default, often slower, ISP-provided resolvers. Google claims its Public DNS servers are among the fastest DNS resolvers available, with servers located worldwide for lower latency.
In addition to speed, Google Public DNS aims to improve DNS reliability and security. The servers avoid problems like DNS hijacking and are protected from DDoS attacks. Encrypted DNS options are provided for greater privacy. Filtering blocks access to malicious domains to prevent infections.
Overall, with faster performance, increased resilience, and enhanced security measures, Google Public DNS represents an appealing free alternative to standard ISP-supplied domain name services.
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