Question 1

What is DNS?

Accepted Answer

DNS is the internet's address book. It turns a name like example.com into the number address of the computer that holds the website.

Question 2

What is a real-life example of dns?

Accepted Answer

Like your phone's contacts: you tap a name, and the phone looks up the number to call.

Question 3

What does DNS do?

Accepted Answer

Computers find each other by number. DNS looks up the number that belongs to a name.

Question 4

You mistype a website's name and see "This site can't be found". What most likely happened?

Accepted Answer

A misspelled name usually has no entry in DNS, so the browser has nowhere to go.

Question 5

You buy a domain for your new app. What do you change so the name leads to the app?

Accepted Answer

You add a DNS record that points your domain at the server hosting your app.

What is DNS?

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