What does changing your DNS do?

Related questions

1. Is Cloudflare free worth?
2. What should I do if DNS server is not responding?
3. Is Google Public DNS Secure?
4. What DNS should I use?
5. Is Cloudflare any good?
6. What are primary and secondary DNS?
7. Why should I use Cloudflare DNS?
8. Do I need a secondary DNS?
9. Where can I find my secondary DNS?
10. Is Google DNS better than ISP?

Tags

1. #system
2. #address
3. #website
4. #connection
5. #switch
6. #internet
7. #happen
8. #service
9. #server
10. #stands
11. #component
12. #translates
13. #matches
14. #right
15. #reasons
16. #network
17. #visit
18. #domain