Quad9

Quad9 is a public, free DNS service dedicated to enhancing online security and privacy. Operated by the Swiss-based Quad9 Foundation, it replaces default ISP DNS configurations by blocking access to malicious websites, protecting users from threats like malware, phishing, and botnets. Leveraging real-time threat intelligence from over 25 providers, Quad9 blocks hundreds of millions of harmful domains, ensuring safe browsing experiences for individuals and businesses alike.

Quad9 prioritizes user privacy by never logging personal data and adhering to strict data protection laws, including GDPR. Its infrastructure is designed to keep user information secure and under their control. The service is accessible through simple DNS configuration, requiring no sign-up, ensuring anonymity while safeguarding devices—including IoT systems—against cyber threats.

By utilizing Quad9, users not only enhance their online safety but also contribute to a more secure internet. The commitment to transparency and community-driven support makes Quad9 a trusted partner in navigating the digital landscape