What is a Domain Name and How Does It Work

LMS Content

Welcome

Welcome to What is a Domain Name and How Does It Work. This course will guide you through the fundamentals of domain names — from what they are and how they function, to their role in DNS and online security.

Why Learn About Domain Names?

Every website relies on a domain name. Without them, we’d be forced to remember numerical IP addresses. Domains not only make the internet user-friendly, they also play a critical role in:

• Online branding and identity.

• Security (SSL certificates, DNS security).

• Reliability and accessibility of websites.

What This Course Covers

1. Module 1 — Domain Basics
   • What a domain name is.

   • How domains are registered and structured.

2. Module 2 — DNS and Resolution
   • How DNS translates domains into IPs.

   • Common DNS records and their functions.

3. Module 3 — Security and Best Practices
   • Registrar security and domain protection.

   • Safe DNS management and avoiding misconfigurations.

What You’ll Gain

By completing this course, you will:

• Clearly understand what domains are and why they matter.

• Be able to explain the relationship between domains, DNS, and IP addresses.

• Know the basics of managing and securing domain names.