DNS resolvers
Quad9 privacy rating
Public DNS resolver run by the Swiss non-profit Quad9 Foundation that blocks known malicious domains and validates DNSSEC.
Summary
Quad9 scores 65 out of 100 (grade C) on the DNS resolvers criteria. It meets 6 of 11 criteria: no trackers or telemetry, no ads or data sales, transparency report, TLS configuration, Encrypted DNS and DNSSEC validation. It partly meets security headers and no query logs. It does not meet open source, independent audit and tells users about requests. It is based in Switzerland: Not in the Five, Nine or Fourteen Eyes; GDPR-style data protection law. Automated tests: SSL Labs grade A+ and Mozilla HTTP Observatory grade B+.
Score 65 out of 100. How scoring works
Criteria
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No
Open source Weight 3 of 3
Is all the source code needed to run the product public?
Closed source. The resolver configuration and threat-blocking system are not published.
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Yes
No trackers or telemetry Weight 3 of 3
Are the website and apps free of third-party trackers, with any analytics anonymous and any telemetry off by default?
The website policy states no cookies, web beacons or tracking pixels are used.
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Yes
No ads or data sales Weight 2 of 3
Is the product funded without advertising, ad targeting or selling user data?
Non-profit funded by donations and sponsors. The policy states identifying data is not shared or sold.
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No
Independent audit Weight 2 of 3
Has an independent security or privacy audit been published within the last three years?
No independent audit is published.
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Yes
Transparency report Weight 2 of 3
Does the provider regularly publish how many government and legal requests it receives and how it responds?
Yearly summaries of law enforcement requests, updated quarterly.
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No
Tells users about requests Weight 1 of 3
Does the provider promise to tell users about requests for their data, unless a court forbids it?
No published policy on notifying users about data requests.
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Yes
Encrypted DNS Weight 3 of 3
Are DNS over HTTPS and DNS over TLS supported?
DoH and DoT endpoints are listed for each service.
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Partial
No query logs Weight 3 of 3
Are queries stored without IP addresses, and is this independently audited?
The policy states user IP addresses are not stored with queries. Not audited.
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Yes
DNSSEC validation Weight 1 of 3
Does the resolver validate DNSSEC?
DNSSEC validation is enabled on the recommended resolver addresses.
Automated tests
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Yes
TLS configuration Weight 2 of 3
Does the website pass the Qualys SSL Labs test with a grade of A or better?
Grade A+
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Partial
Security headers Weight 1 of 3
Does the website pass the Mozilla HTTP Observatory test with a grade of A or better?
Grade B+ (80/100+)
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Not tested yet
Modern web standards Weight 1 of 3
Does the website score 90% or higher on the Internet.nl website test?
Not tested yet.