Cyber Security for Absolute Beginners - 2022 Edition - Part 02 - Understanding the DNS System

The video tutorial explains the Domain Name System (DNS), which translates domain names into IP addresses, allowing users to access websites without memorizing IP addresses. It describes the hierarchical structure of DNS, including root name servers and authoritative name servers, and details the process of DNS resolution. The tutorial also covers the role of DNS caching in improving browsing speed by storing IP addresses for quicker access on subsequent visits.

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