What is DNS and why we need it? DNS stand for Domain Name System, and it's main job is to translate domain name into IP. Think like every server has an IP and each website host on server so to get access of website we need the IP that look like this 192.
Source: [Dev.to](https://dev.to/dharam_in/dns-http11-http2-http3-cors-a-beginners-deep-dive-28h6)