The Domain Name System (DNS) is like a global telephone directory that translates human-friendly URLs to the IP addresses that computers use.įor example, the URL currently maps to the IP address 185.159.159.140. The human brain is not designed to remember long strings of numbers, so we identify internet resources (such as websites and games servers) using more human-friendly text strings known as domain names. What is DNS?Įvery connection to the internet is assigned a unique numerical identifier known as an internet protocol (IP) address. In this article, we explain what DNS is, how it works, and why manually configuring your DNS settings can prevent our DNS leak protection from working correctly. There are some limited circumstances, however, that allow your computer to bypass these protections that can result in third parties being able to see the IP address of the DNS server you are really using. All Proton VPN apps include DNS leak protection designed to prevent websites and the like that you visit on the internet from identifying your real DNS address.
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