Quad9

Non-profit DNS with security blocking

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Episodes

#3804: Stateful Firewalls vs. Modern Threats

Is a basic firewall still enough in 2026? We break down what each security layer actually catches—and misses.

Jun 21
#2104: The Envelope Problem: Why Your VPN Isn't Enough

A VPN isn't magic. Learn how DNS and SNI leaks expose your browsing, and what encrypted DNS and ECH actually do to fix it.

Apr 7
#220: Beyond HTTPS: Securing Your Digital Shadow with Private DNS

Think HTTPS protects everything? Think again. Learn how Private DNS hides your browsing habits from ISPs and advertisers in this deep dive.

Jan 13