DNS: The Hidden Engine of the Internet | Computer Networks
Discover how DNS translates human-readable domain names into machine-readable IP addresses, enabling us to access websites with ease.
We explore the hierarchical structure of DNS servers, from root nameservers to top-level domain (TLD) nameservers and authoritative nameservers, each playing a crucial role in resolving domain names to IP addresses.
Learn about the distributed nature of DNS, ensuring resilience against malicious attacks and handling the massive load of global internet traffic. We also discuss the involvement of organizations like Verisign in managing the database of registered domain names.
Step-by-step, we break down a typical DNS query process, from the user's request to the final connection to the desired website. This video provides a comprehensive understanding of DNS, essential for anyone interested in networking, web development, or understanding the inner workings of the internet.
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Timestamps -
00:00 - Introduction
00:17 - Domain Name System
02:04 - DNS Server Infrastructure
02:55 - NameServers
03:46 - DNS Query
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