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You are here: Managing Domains & DNS What is DNS?
In simple terms, the Domain Name System (DNS) is an "Address Book" used to map a human friendly domain name (e.g. lcn.com) to a computer readable IP address (e.g. 126.96.36.199), which can then be used to locate and communicate with that computer.
Using DNS is similar to making a phone call with your mobile phone. Your phone dials the number for you and the telephone network uses that number to connect you.