dns.quad9.net: Quad9’s Privacy-Protecting DNS Service

Quad9’s dns.quad9.net is a DNS resolver blocking malicious domains. It does not log non-malicious queries or collect PII, prioritizing user privacy per its policy.

What Is dns.quad9.net?

This domain supports Quad9’s secure, privacy-respecting DNS service. It blocks threats without storing query logs for benign activity or personal identifiers.

Data It Processes (Minimal/Non-Retained)

Quad9 policy states no personal data collection:

• Threat Intel Only: Logs malicious queries for security sharing (anonymized).
• No Query Logs: Non-malicious DNS queries not stored.
• No IP/Device Profiling: Ephemeral processing, no retention or linking.
• Aggregated Stats: Public threat reports only.

No user profiles or persistent records.

Data Sharing (Limited)

• Threat Partners: Anonymized malicious domain intel only.
• No Personal Data: No sharing of queries/IPs for individuals.
• Legal Compliance: Transparency reports for requests met.

Usage Notes

Quad9 is recommended for privacy. Optional enhancements:

• DoH/DoT: Encrypts queries (Quad9 supports).
• VPN: Adds layer (e.g., Mullvad).

Sources

This data is based on:

• Quad9 Privacy Policy: https://www.quad9.net/privacy/
• Quad9 Service Documentation: https://www.quad9.net/support/

This is a legal disclaimer. All information is provided for educational purposes only.