Quad9 key facts
Last updated- Legal entity
- Quad9 Foundation (Stiftung Quad9)
- Headquarters
- Switzerland (CH)
- Ownership
- Independent
- Founded
- 2017
- Data hosting
- Switzerland, Global / multi-region
- Infrastructure
- Equinix (mentioned in testimonials)
- Open source
- No
- US Cloud Act exposure
- Low (no US parent)
- Replaces
- Google Public DNS, Cloudflare DNS, Cisco Umbrella (OpenDNS), NextDNS, AdGuard DNS
About Quad9
Quad9 is a global, not-for-profit recursive DNS service provider that prioritizes user privacy and security. By replacing default ISP DNS settings with Quad9, users benefit from an automated security filter that blocks access to known malicious domains associated with malware, phishing, and botnets. Unlike commercial DNS providers, Quad9 does not log the source IP addresses of its users, preventing the commercialization of personal browsing data. The service is operated by the Swiss-based Quad9 Foundation, having relocated its legal domicile from the United States to Switzerland to leverage stronger data protection laws and neutral jurisdiction. It utilizes threat intelligence from over 25 cybersecurity partners to maintain an up-to-the-minute blocklist. Quad9 supports encrypted DNS protocols and is designed to provide a more robust and safer internet experience for both individual users and enterprises without requiring any contracts or fees.
Alternative to
Hosting & Security
Equinix (mentioned in testimonials)
Key Features
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