DNS resolvers
DNS.SB privacy rating
Free public DNS resolver operated by xTom GmbH in Germany on an anycast network. It supports DoH and DoT, validates DNSSEC and does not send EDNS Client Subnet.
Summary
DNS.SB scores 67 out of 100 (grade C) on the DNS resolvers criteria. It meets 7 of 12 criteria: no trackers or telemetry, no ads or data sales, transparency report, TLS configuration, modern web standards, 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 Germany: Fourteen Eyes member; EU member (GDPR). Automated tests: SSL Labs grade A, Mozilla HTTP Observatory grade B and Internet.nl website score 100%.
Score 67 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 software stack is not disclosed.
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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?
No third-party trackers. The website's self-hosted Plausible analytics are cookieless and aggregate-only.
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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?
Funded by xTom and sponsors. The privacy policy rules out selling personal information.
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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 reports with counts of government and law enforcement requests.
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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 are both supported.
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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 queries, IP addresses and timestamps are not logged. Not audited.
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Yes
DNSSEC validation Weight 1 of 3
Does the resolver validate DNSSEC?
The FAQ states DNS.SB is a DNSSEC-validating resolver.
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 (75/100+)
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Yes
Modern web standards Weight 1 of 3
Does the website score 90% or higher on the Internet.nl website test?
Score 100%