Quad9 is a global public DNS resolver managed by the Quad9 Foundation in Switzerland. It provides built-in security by blocking access to domains known for malware, phishing, or other threats. The service is free and privacy-focused: it explicitly does not log users’ IP addresses. Quad9’s infrastructure is hosted in Switzerland under Swiss privacy law, ensuring strong data protection.
Dns4eu
DNS4EU is an EU-backed public DNS resolver service offering secure resolution and content-filtering options for EU citizens.
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