Why the Internet Needs Millions of DNS Servers

Everyone knows that DNS maps domain names to IP addresses, but what¬ understood is just how much you rely on it every time you make a request on the internet. DNS was created in the 1980s, so it&amazing it still works reliably today to lookup any of 350 million domain names. It&unique design uses millions of "nameservers" across the internet, making DNS so fast and resilient that most users don&know it&there. Developers who understand the elaborate, but misunderstood, domain name query process have the edge in designing better software, troubleshooting, and staying up-to-date as the internet evolves. In this video you&learn step-by-step how DNS looks up a domain name, see some surprising quirks of it&decades old design, and importantly learn tools you can use yourself to interact with DNS. 0:00 More than just converting names to IP addresses 1:20 A distributed database built in the 80s 5:08 The elaborate hunt for a domain name 8:15 How DNS was hacked for the 21st century ▶️ Watch next