What is DNS

Modified on Fri, 18 Aug 2023 at 05:27 PM

The Domain Name System (DNS) is the phonebook of the Internet. Humans access information online through domain names, like nytimes.com or espn.com. Web browsers interact through Internet Protocol (IP) addresses. DNS translates domain names to IP addresses so browsers can load Internet resources. We prefer to set our client's DNS to Cloudflare. There is a crucial difference between many DNS services and the one Cloudflare provides. Different DNS recursive resolvers such as Google DNS, OpenDNS, and providers like Comcast all maintain data center installations of DNS recursive resolvers. These resolvers allow for quick and easy queries through optimized clusters of DNS-optimized computer systems, but they are fundamentally different from the nameservers hosted by Cloudflare.

Cloudflare maintains infrastructure-level nameservers that are integral to the functioning of the Internet. One key example is the f-root server network which Cloudflare is partially responsible for hosting. The F-root is one of the root-level DNS nameserver infrastructure components responsible for the billions of Internet requests per day. With Cloudflare DNS you have the fastest response time of any DNS provider. Their  DNS has unparalleled redundancy and built-in security.

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