http://lpiyu33y57lg2ulcihkemzb56inqm4g6jlk7hlgenbqedl4abcfq5aid.onion/workshops/What's-in-a-Name-Understanding-the-Domain-Name-System
But if computers use numbers and not names to route traffic, how do they know where to go when we type in addresses such as google.com in our Web browser? The answer lies in DNS, the Domain Name System. Often described as “the Internet’s phone book,” DNS is actually a far more capable and integral component of networked systems than it’s given credit for.