When it comes to speed, a lot depends on how 'close' you are, in network speed terms, to a given DNS resolver. You see, speed is a relative term when it comes to DNS resolvers. How do you pick one out? Well, it's just not which provider is the fastest. So, keep an eye on your service once you've settled on one.

For example, Norton ConnectSafe was a well-regarded free public DNS resolver, but it shut down in November 2018. You should be aware that, like any other business, DNS providers can close their doors. To get the latest on who's fast and who's not, check out PerfOps' DNS Performance. Some of the most trustworthy, high-performance DNS public resolvers and their IPv4 DNS addresses include: With multiple, global points of presence (PoP), they can also deliver high-speed lookups for both your home and remote offices. For DNS providers, however, it's all about speed.

DNS speeds are not a priority for them, and it shows. Typically, the DNS provided by your ISP is slow. There are faster and slower DNS providers. So, when you speed up your DNS lookups, everyone gets faster Internet performance. Does a page use Google Fonts for its text? That requires lookups, too. For example, those social network links for Facebook, LinkedIn, and Twitter on this page? They all require separate DNS lookups. That may not sound like much, but all but the most simple web pages require dozens of DNS lookups.Įvery link, program, and image not on a page's site demands a DNS lookup. What you may not know is that DNS lookup takes an average of 32 milliseconds.

For all practical purposes, every time you do something on the Internet, you start by invisibly interacting with DNS. DNS directs traffic to websites and email to your inbox by mapping a domain name you can remember, like, to an IPv4 address such as 216.58.217.206. By optimizing your DNS lookups, you can save real time and make life a bit more pleasant every day.Īs you know, DNS is the Internet’s primary address book. You might not think shaving milliseconds off the time it takes to look up websites via the Domain Name System is a big deal.

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