domain name server
| On the Internet, a type of server that resolves an alphanumeric domain name to its numerical IP address (Internet Protocol address) and vice versa. |
| Humans remember names, and so domain names are usually alphanumeric as they are easier to remember, especially from a business perspective. Computers, however, work with numbers, and the Internet is based on the underlying IP addresses. Domain name servers translate between the two. |
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