Understanding DNS: The Internet's Phone Book

This chapter explores the essential role of the Domain Name System (DNS) as a translator between human-readable domain names and IP addresses, likened to a phone book for the internet. It details the intricacies of DNS resolution, including the functions of root servers, authoritative name servers, and the importance of caching for efficiency. Through practical examples and hierarchical explanations, the discussion underscores DNS's significance in enhancing web browsing experiences and addressing internet connectivity issues.