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example. com, into IP addresses, which are used to locate and identify devices and services on the internet. It is a crucial component of the internet infrastructure and enables users to access websites and other online resources by simply typing in a memorable domain name instead of a numeric IP address. The DNS operates by utilizing a network of servers that store and distribute domain name information, called DNS records, across the internet. These records contain information about the associated IP addresses and other relevant data for each domain. The DNS follows a hierarchical structure, starting with the root level at the top, followed by top-level domains, second-level domains, and subdomains. This structure allows for efficient and organized management of domain names across the internet. The DNS also includes other important features, such as caching, which helps to improve the speed and efficiency of domain name resolution, as well as security mechanisms like DNSSEC, which helps to prevent unauthorized modification of DNS records. Overall, the DNS plays a vital role in enabling the global connectivity and accessibility of the internet.