Explore the intricacies of the Domain Name System (DNS) in this 41-minute video lecture. Delve into the brilliantly designed, scalable architecture of DNS, uncovering valuable lessons for app development. Learn how DNS functions, its advantages and disadvantages, and examine notable attacks on the system. Discover the details of DNS operations, its use of UDP, and the concept of DNS poisoning. Investigate the true extent of DNS distribution and how attackers exploit the system. Uncover the surprising 12-year impact of Chrome on root DNS servers. Gain insights into backend engineering and network fundamentals through this comprehensive exploration of DNS technology.