Domain Name System (DNS) – Application Layer Protocol
The Domain Name System (DNS) is a vital application layer protocol that enables efficient name resolution on the internet. It translates human-readable domain names into machine-readable IP addresses, facilitating seamless web navigation. This manual excerpt explores DNS’s hierarchical structure, resource records, messaging protocols, caching mechanisms, security measures, load balancing strategies, and privacy-enhancing mechanisms. Understanding DNS is crucial for managing network resources, optimizing performance, and ensuring reliable and secure internet connectivity.