What You Need to Know Before
You Start

Starts 23 July 2026 23:59

Ends 23 July 2026

00 Days
00 Hours
00 Minutes
00 Seconds
course image

Open, Free, Secure DNS

Discover how protective DNS blocks malicious domains at resolution layer, reducing malware and phishing risks while evaluating key deployment features and Quad9's privacy-focused approach.
NANOG via YouTube

NANOG

6095 Courses


11 minutes

Optional upgrade avallable

Not Specified

Progress at your own speed

Free Video

Optional upgrade avallable

Overview

Discover how protective DNS blocks malicious domains at resolution layer, reducing malware and phishing risks while evaluating key deployment features and Quad9's privacy-focused approach.


Subjects

Computer Science