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Domain Name System
Master the Fundamentals of DNS: How the Internet Translates Names into IP Addresses
Course Summary
The Domain Name System (DNS) is the backbone of the internet, converting human-friendly domain names into the numerical IP addresses computers use to identify each other. In this course, you’ll gain a clear, practical understanding of how DNS works and why it’s essential for networking, cybersecurity, and web management.
You’ll learn about DNS structure, records, servers, and troubleshooting, as well as how DNS impacts website performance, email delivery, and online security.
By the end of this course, you will:
- Understand the role of DNS in Internet communication.
- Learn how domain names map to IP addresses.
- Explore common DNS records (A, MX, CNAME, TXT, etc.).
- Practice configuring and testing DNS settings.
- Discover best practices for managing DNS in real-world environments.
This course is designed for networking, IT professionals, developers, or anyone curious about how the internet actually works.
Course Curriculum
