![]() ![]() Whether you're accessing a website or sending e-mail, your computer uses a DNS server to look up the domain name you're trying to access. Instead, you just connect through a domain name server, also called a DNS server or name server, which manages a massive database that maps domain names to IP addresses. Thanks to DNS, though, you don't have to keep your own address book of IP addresses. ![]() This is similar to dialing a phone number to connect to the person you're trying to call. Ĭomputers and other network devices on the internet use an IP address to route your request to the site you're trying to reach. and you can bet that it wouldn't be nearly as much fun, especially since there are now hundreds of millions of domain names. Without this kind of wayfinding system, you'd have to resort to much more complicated and esoteric means to sift through the virtual open plains and dense cities of data strewn across the global internet. ![]() The DNS concept is like a phone book for the internet. It is, in short, a system of matching names with numbers. Its purpose is vital, as it helps convert easy-to-understand domain names like "" into an Internet Protocol (IP) address, such as 70.42.251.42 that computers use to identify each other on the network. (Although many people think "DNS" stands for "Domain Name Server," it really stands for "Domain Name System.") DNS is a protocol within the set of standards for how computers exchange data on the internet and on many private networks, known as the TCP/IP protocol suite. One of the most fundamental instruments of the internet is the Domain Name System, or DNS. ![]() The internet and the World Wide Web are wild frontiers that rely on computer languages and codes to find and share data and information. An IT worker draws a diagram of the Domain Name System (DNS) on a digital whiteboard. ![]()
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