About Course
SUCURI SECURITY ACADEMY
Understanding Domain Names
A Beginner’s Course to Web Identity
Domain names are more than website addresses — they’re the foundation of how people find your site, how services connect to it, and how you protect it.
In this course, you’ll learn how domain names are structured, how they connect to DNS, and the essential security practices that help prevent common ownership and configuration mistakes.
Course Objectives
✓ Secure Web Identity
Understand how domains establish online branding and serve as the foundation for SSL/TLS validation and registrar protection.
✓ Understand Resolution
Learn exactly how the Domain Name System (DNS) translates human-readable domains into numeric IP addresses.
✓ Ensure Reliability
Maintain website accessibility and uptime through accurate DNS routing and core record type configuration.
✓ Apply Best Practices
Protect domain ownership and manage DNS safely to drastically reduce the risks of misconfiguration and hijacking.
By the end of this course, you’ll be able to explain how domain names, DNS, and IP addresses work together — and you’ll know the essentials of managing and protecting a domain responsibly.