This course teaches developers everything they need to know about DNS, starting from first principles. With 47 video lessons across 6 modules, you'll learn topics like domain name structure, recursive queries, DNSSEC, email routing (SPF, DKIM, DMARC), and debugging DNS issues using tools like Dig and Wireshark.
Designed for devs with basic internet knowledge, this course is practical and jargon-free, even for non-networking specialists. You'll gain skills to fix email delivery problems, optimize DNS configurations, and troubleshoot errors, helping you confidently manage DNS throughout your career—complete with quizzes, a certification exam, and community access.