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    • Recursive DNS Resolver
    • Authoritative DNS Server
    • The 8 Steps in A DNS Lookup
    • 3 Types of DNS Queries
    • Browser DNS Caching
    • Operating System (OS) Level DNS Caching

    The recursive resolver is the computer that responds to a recursive request from a client and takes the time to track down the DNS record. It does this by making a series of requests until it reaches the authoritative DNS nameserver for the requested record (or times out or returns an error if no record is found). Luckily, recursive DNS resolvers d...

    Put simply, an authoritative DNS server is a server that actually holds, and is responsible for, DNS resource records. This is the server at the bottom of the DNS lookup chain that will respond with the queried resource record, ultimately allowing the web browser making the request to reach the IP address needed to access a website or other web res...

    A user types ‘example.com’ into a web browser and the query travels into the Internet and is received by a DNS recursive resolver.
    The resolver then queries a DNS root nameserver (.).
    The root server then responds to the resolver with the address of a Top Level Domain (TLD) DNS server (such as .com or .net), which stores the information for its domains. When searching for exampl...
    The resolver then makes a request to the .com TLD.
    Recursive query- In a recursive query, a DNS client requires that a DNS server (typically a DNS recursive resolver) will respond to the client with either the requested resource record or an error...
    Iterative query- in this situation the DNS client will allow a DNS server to return the best answer it can. If the queried DNS server does not have a match for the query name, it will return a refe...
    Non-recursive query- typically this will occur when a DNS resolver client queries a DNS server for a record that it has access to either because it's authoritative for the record or the record exis...

    Modern web browsers are designed by default to cache DNS records for a set amount of time. The purpose here is obvious; the closer the DNS caching occurs to the web browser, the fewer processing steps must be taken in order to check the cache and make the correct requests to an IP address. When a request is made for a DNS record, the browser cache ...

    The operating system level DNS resolver is the second and last local stop before a DNS query leaves your machine. The process inside your operating system that is designed to handle this query is commonly called a “stub resolver” or DNS client. When a stub resolver gets a request from an application, it first checks its own cache to see if it has t...

  2. 1.1.1.1 is a public DNS resolver operated by Cloudflare that offers a fast and private way to browse the Internet. Unlike most DNS resolvers, 1.1.1.1 does not sell user data to advertisers. In addition, 1.1.1.1 has been measured to be the fastest DNS resolver available.

  3. Cloudflare DNS delivers secure and resilient DNS service with the fastest response time (11ms on average), unparalleled redundancy (locations in over 320 cities), and advanced security. Talk to an expert Get the product brief. BENEFITS OF CLOUDFLARE DNS. Industry-leading performance.

  4. 1.1.1.1 is a free Domain Name System (DNS) service by the American company Cloudflare in partnership with APNIC. [7] [needs update] The service functions as a recursive name server, providing domain name resolution for any host on the Internet. The service was announced on April 1, 2018. [8]

  5. Apr 1, 2018 · Cloudflare’s mission is to help build a better Internet and today we are releasing our DNS resolver, 1.1.1.1 - a recursive DNS service. With this offering, we’re fixing the foundation of the Internet by building a faster, more secure and privacy-centric public DNS resolver.

  6. Apr 1, 2020 · Cloudflare's business has never involved selling user data or targeted advertising, so it was easy for us to commit to strong privacy protections for 1.1.1.1. We've also led the way supporting encrypted DNS technologies including DNS over TLS and DNS over HTTPS.

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