Quad9

Quad9 is a public, non-profit DNS service dedicated to enhancing internet security and privacy for users worldwide. Operated by the Swiss-based Quad9 Foundation, this innovative service replaces your default ISP DNS settings to safeguard your online activities by blocking lookups of malicious hostnames in real-time. With threat intelligence sourced from over 25 leading providers, Quad9 effectively defends against malware, phishing, and other cyber threats, all while ensuring that user data remains unlogged and private.

The service is accessible at IP addresses 9.9.9.9 (IPv4) and offers a seamless configuration process with no sign-up required. Quad9 emphasizes its commitment to user privacy, operating under the protections of Swiss data laws that align with GDPR standards. By default, it does not collect personal data, allowing users to navigate the web with confidence. Quad9 not only enhances individual privacy but also contributes to a safer online environment for communities and businesses alike, making it a crucial tool for anyone seeking digital protection.