AI engineering glossary · Computing foundations

What is DNS (Domain Name System)?

Domain Name System (also called DNS): The internet's naming system that translates human-friendly domain names into the IP addresses machines use. Without it, people would have to remember numeric addresses for every website.

Level: beginnerTopic: Computing foundations

Domain Name System: an example

When you type example.com, DNS looks up its IP address so your browser knows where to connect.

Related terms

More Computing foundations terms

Where you learn it

Domain Name System is part of the AI Engineering Program, which teaches it with notes, a hands-on lab and an exam. The first lesson is free.

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