How DNS Works in Milliseconds | DNS Resolution Explained Step-by-Step

Think of DNS (Domain Name System) as the phonebook of the internet. When you type a website like google.com, your computer doesn’t understand names — it understands IP addresses. In this video, I explain how DNS resolution works step-by-step in under 3 minutes. You’ll learn: What is DNS What is a Recursive Resolver What are Root Servers What are TLD Servers (.com, .org, .net) What is an Authoritative Name Server How your browser gets the IP address Why DNS resolution takes milliseconds This is a must-know networking fundamental for: SOC L1 aspirants Cybersecurity beginners CCNA students IT support engineers If you’re preparing for interviews in networking or cybersecurity, understanding DNS is non-negotiable. Like, share, and subscribe for more cybersecurity and networking concepts explained simply.