Understand Domain Name System (DNS)
Domain Name System (DNS) What is the Domain Name System (DNS)? The Domain Name System ( DNS ) is a hierarchical and decentralized naming system for computers, services, or other resources connected to the Internet or a private network. It associates various information with domain names assigned to each of the participating entities. Most prominently, it translates more readily memorized domain names to the numerical IP addresses needed for locating and identifying computer services and devices with the underlying network protocols . ( ref .)