Eli5: what prevents multiple websites from using the same domain name?

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If I make a website, like cookie.com, what exactly makes browsers direct to the “cookie.com” page I made? And what stops multiple “cookie.com”s from being hosted from different servers? The internet is decentralized so I just don’t understand how domain registration works at all.

On this note, what do the different domain extensions mean, and how are they created? It used to be 99% .net, .org and .com, but there’s like 50 trillion different ones now.

In: Technology

4 Answers

Anonymous 0 Comments

There are authoritative DNS entries that says which IP goes with cookie.com (64.111.195.214). anybody else trying to use a different IP address won’t get any traffic.

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