What is DNS?

What is DNS?

DNS (Domain Name System) - Explained , Types of Domain Name Servers | How DNS works | TechTerms

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answers (1)

Answer 1
July, 2021

Every server on the Internet has a unique digital identifier called an IP address.

Software that connects to a server, such as a web browser or email client, needs to know this address in order to connect.

However, IP addresses are inconvenient to type and difficult to remember. For this reason, the DNS system was invented. It allows you to come up with a conveniently memorable text identifier - a domain name.

Next, the software contacts a special DNS server, sends it this identifier, and in response receives an IP address, to which it already connects.

DNS can also store some other information, for example, information about mail servers serving the domain, keys for email authentication, and more.

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