# Cloudflare privacy rating

Public DNS resolver from Cloudflare with DNS over HTTPS and TLS, DNSSEC validation, and privacy commitments examined by KPMG.

## Summary

Cloudflare scores 72 out of 100 (grade C) on the DNS resolvers criteria. It meets 8 of 11 criteria: no ads or data sales, independent audit, transparency report, tells users about requests, TLS configuration, Encrypted DNS, no query logs and DNSSEC validation. It partly meets security headers. It does not meet open source and no trackers or telemetry. It is based in the United States: Five Eyes member; subject to the US CLOUD Act. Automated tests: SSL Labs grade A and Mozilla HTTP Observatory grade B+.

- Website: https://one.one.one.one
- Jurisdiction: United States. Five Eyes member. Subject to the US CLOUD Act.
- Home page trackers: none found
- Category: [DNS resolvers](https://privacyratings.com/dns-resolvers/)
- Also rated: [Cloudflare Email Routing](https://privacyratings.com/email-forwarding/cloudflare-email-routing/) (Email forwarding and aliases), [1.1.1.1](https://privacyratings.com/mobile-security-apps/1-1-1-1/) (Mobile security apps), [Cloudflare DNS](https://privacyratings.com/dns-hosting/cloudflare-dns/) (DNS hosting), [Cloudflare Registrar](https://privacyratings.com/domain-registrars/cloudflare-registrar/) (Domain registrars), [Cloudflare Workers](https://privacyratings.com/app-hosting/cloudflare-workers/) (App hosting platforms), [Cloudflare Mesh](https://privacyratings.com/mesh-vpns/cloudflare-mesh/) (Mesh VPNs and private networks), [Cloudflare Web Analytics](https://privacyratings.com/web-analytics/cloudflare-web-analytics/) (Website analytics)
- Grade: C (72/100)

## Criteria

| Criterion | Answer | Note | Evidence |
| --- | --- | --- | --- |
| Open source | No | Closed source. |  |
| No trackers or telemetry | No | The 1.1.1.1 Android app includes Google Firebase Analytics and Crashlytics. | https://reports.exodus-privacy.eu.org/en/reports/com.cloudflare.onedotonedotonedotone/latest/ |
| No ads or data sales | Yes | Cloudflare commits not to sell resolver data or use it to target ads. | https://developers.cloudflare.com/1.1.1.1/privacy/public-dns-resolver/ |
| Independent audit | Yes | Full KPMG examination report on the resolver's privacy controls. | https://cf-assets.www.cloudflare.com/slt3lc6tev37/7tcP0k0xUM8iDCacah9ARy/5c6b296e2fc24813368f6e2b4e58fd3a/Cloudflare_1.1.1.1_Examination_Report.pdf |
| Transparency report | Yes | Semi-annual reports with counts of legal requests and responses. | https://www.cloudflare.com/transparency/ |
| Tells users about requests | Yes | The transparency report states customers are notified of legal requests unless legally prohibited. | https://cf-assets.www.cloudflare.com/slt3lc6tev37/zItVXCvbb4LZpYG4Uh10R/7b27bba39755f0a4344acb946977704d/2H_2025_Cloudflare_s_Transparency_Report_Legal-v2.pdf |
| TLS configuration | Yes | Grade A | https://www.ssllabs.com/ssltest/analyze.html?d=one.one.one.one&hideResults=on |
| Security headers | Partial | Grade B+ (80/100+) | https://developer.mozilla.org/en-US/observatory/analyze?host=one.one.one.one |
| Modern web standards | Not tested yet | Not tested yet. |  |
| Encrypted DNS | Yes | DoH and DoT are supported. | https://developers.cloudflare.com/1.1.1.1/encryption/ |
| No query logs | Yes | Source IPs are truncated and deleted within 25 hours, confirmed by the KPMG examination. | https://cf-assets.www.cloudflare.com/slt3lc6tev37/7tcP0k0xUM8iDCacah9ARy/5c6b296e2fc24813368f6e2b4e58fd3a/Cloudflare_1.1.1.1_Examination_Report.pdf |
| DNSSEC validation | Yes | 1.1.1.1 validates DNSSEC on every query. | https://developers.cloudflare.com/1.1.1.1/faq/ |

Source: https://privacyratings.com/dns-resolvers/cloudflare/
Edit: https://github.com/privacyratings/privacyratings.com/edit/main/ratings/dns-resolvers/cloudflare.md