A system that translates domain names (like www.ads.page) into IP addresses so browsers can load internet resources.


  1. Why do we need DNS?
    It makes it easy to visit websites by using names instead of remembering long numbers.
  2. How does DNS work?
    It matches the website name you type into your browser with the correct IP address.
  3. What is a DNS server?
    A server that helps find the IP address for a website name.
  4. What is DNS caching?
    Storing recent DNS results to make loading websites faster next time.
  5. What is a DNS query?
    A request to find the IP address of a website name.

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