Techlore Talks

What It Takes to Run a Free & Private DNS Service with John Todd from Quad9

Freitag, 18. September 2026 · 1 h 20

MP3

Shownotes

DNS quietly reveals everywhere you go online - even on encrypted sites. In this interview, John Todd (CTO at Quad9) provides a DNS masterclass: how DNS works, the privacy implications, how to change your DNS, why Quad9 collects nothing on you, why they are being sued, DNS vs. VPNs, and how a nonprofit can fund itself without compromising privacy.
🔗 SOURCES & LINKS
• Quad9: quad9.net
⏱️ TIMESTAMPS

• () - INTRO

• () - WHAT IS QUAD9?

• () - HOW IS IT FREE?

• () - WHAT'S RECURSIVE DNS?

• () - DNS PRIVACY CONCERNS

• () - DEFAULT DNS PROVIDER + OPTIONS

• () - DNS ON iOS

• () - WHERE TO SET YOUR DNS

• () - CYBERSECURITY & PRIVACY

• () - WHAT'S BLOCKED

• () - CUSTOM DNS ON A ROUTER

• () - COMMON MISCONCEPTIONS

• () - HTTPS VS. TLS VS. QUIC

• () - RECOMMENDATIONS

• () - CENSORSHIP CIRCUMVENTION

• () - SNI & ECH

• () - LAWSUITS

• () - THE NUANCE BEHIND BLOCKING

• () - FOLLOW THE FIGHT

• () - THE QUAD9 TEAM

• () - OPERATION COSTS

• () - MONETIZING DATA?

• () - OTHER REVENUE MODELS

• () - WHY TRUST QUAD9?

• () - SPEED DIFFERENCES

• () - QUAD9 VS. DIY FILTERING

• () - VPN VS. DNS

• () - PI-HOLE

• () - LOOKING FORWARD

• () - HOW TO FOLLOW

🎥 VIDEO
Watch on YouTube (youtube.com/watch?v=lEi71ukb5AQ)

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