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DNS (Domain Name System)
In earlier days, websites were accessed through their IP addresses. It was difficult for an individual to remember all the IP address to access the websites. So, the domain names were created and mapped with IP addresses. Like phone book, where all the contact numbers are stored under respective names and are accessed by the contact names. Domain Name System (DNS) maintains all the directory of domain names/host names and help us to access the websites using the domain/ host names.
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