System Design for SDE-2 and above: System Design for Beginners: Redis Internals: Build Your Own Redis / DNS / BitTorrent / SQLite - with CodeCrafters. Sign up and get 40% off - In the video, I delved into how DNS works, from converting human-readable domain names like to IP addresses, to the role of authoritative name servers and the DNS resolver in the resolution process. Exploring the complexities of DNS architecture, I highlighted the decentralized nature of DNS and the crucial role of root name servers in directing requests. Emphasizing the step-by-step resolution process, I illustrated how browsers connect to servers through DNS resolution. Stay tuned for upcoming videos on building a DNS server. # Recommended videos and playlists If you liked this video, you will find the following videos and playlists helpful System Design: Designing Microservices: Database Engineering: Concurrency In-depth: Research paper dissections: Outage Dissections: Hash Table Internals: Bittorrent Internals: # Things you will find amusing Knowledge Base: Bookshelf: Papershelf: # Other socials I keep writing and sharing my practical experience and learnings every day, so if you resonate then follow along. I keep it no fluff. LinkedIn: Twitter: Weekly Newsletter: Thank you for watching and supporting! it means a ton. I am on a mission to bring out the best engineering stories from around the world and make you all fall in love with engineering. If you resonate with this then follow along, I always keep it no-fluff.