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DNS

web-appsbeginner

The Domain Name Service is like the address book of the internet. It maps IP Addresses – which are something unintelligible like 192.168.2.1 – to a URL, which for the most part humans can understand. When you type a URL into your browser and type enter, your request first goes to DNS, where it learns what the address of that URL’s destination is, and then follows that to the server where your desired webpage is sitting.

DNS

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What's the internet?

A network of computers all connected to each other and sharing information.

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