--- title: "Hammad Ali (@hammadal1) | Hashnode" description: "I am learning to write code . Read the latest articles by Hammad Ali on Hashnode." url: "https://hashnode.com/@hammadal1" --- @hammadal1 # Hammad Ali @hammadal1 · Joined January 2026 I am learning to write code ### [DNS Records - From First Principles](https://web-dev-101.hashnode.dev/dns-records-from-first-principles?utm_source=hashnode&utm_medium=feed) How does browser find a website in this whole entire Internet? Enter DNS (Domain Name System) now this thing is like a phone book for Internet It knows every number (IP Address) and name (website like 4 min read · [web-dev-101.hashnode.dev](https://web-dev-101.hashnode.dev/dns-records-from-first-principles?utm_source=hashnode&utm_medium=feed) [May 8](https://hashnode.com/posts/dns-records-from-first-principles/69fe44dff239332df40b5a3c) ### [DNS Resolution - FromFirst Principles](https://web-dev-101.hashnode.dev/dns-resolution-fromfirst-principles?utm_source=hashnode&utm_medium=feed) On Internet every connected device like your phone and laptop has an Address by which Internet knows and interact with it which is called IP Address which looks something like 142.251.223.206 Now If y 4 min read · [web-dev-101.hashnode.dev](https://web-dev-101.hashnode.dev/dns-resolution-fromfirst-principles?utm_source=hashnode&utm_medium=feed) [May 7](https://hashnode.com/posts/dns-resolution-fromfirst-principles/69fcb9769f93a850a4e87074)