Business Profile
Quad9 provides a free, public DNS service that blocks malicious domains to enhance security and privacy online.
Home users and networks, IT administrators, and device ecosystems (including routers and IoT) seeking DNS-level threat protection and privacy; organizations adopting a non-profit, privacy-first DNS solution
Non-profit foundation-based DNS resolvers with privacy as a founding goal, no logging of IP addresses, GDPR/compliant posture, and governance moved to Switzerland for legal diversity; global anycast network with 183+ locations in 90+ nations and threat intelligence from 25+ providers
Immediate value upon configuring a device or router to use Quad9 DNS addresses; no signup, no contract required
A free, public DNS resolver that blocks malicious domains to improve security and privacy for internet users.
Individuals, home networks, enterprises, and organizations seeking DNS-level threat protection and privacy.
Privacy-first, non-profit public DNS resolver with malware/phishing blocking, backed by global threat intelligence and Swiss governance.
Configure devices/routers to use Quad9 IPv4/IPv6 addresses (e.g., 9.9.9.9 / 149.112.112.112 and 2620:fe::fe / 2620:fe::9); supports DNS-over-TLS, DNSCrypt; DNSSEC validation; Android app for configuration (Quad9 Connect); DNS queries can be encrypted
Free to use; non-profit; donations encouraged; no data monetization
Based on matching: problems solved, target roles, key features, industries
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