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.
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