DNS resolver privacy ratings
Public DNS resolvers that look up domain names for devices.
18 DNS resolvers are rated against 12 public criteria, and 18 have enough evidence for a letter grade. Of the 16 with a known jurisdiction, 6 are based in a Five Eyes country, and 10 in the wider Fourteen Eyes.
Open-source DNS resolvers only · Criteria for this category · Suggest an addition · Markdown
| Name | Grade | Score | Data | Jurisdiction | Open source | No trackers or telemetry | No ads or data sales | Independent audit | Transparency report | Tells users about requests | Encrypted DNS | No query logs | DNSSEC validation | TLS configuration | Security headers | Modern web standards |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Validating, recursive and caching DNS resolver from NLnet Labs for running your own resolver, with DNS over TLS and DNS over HTTPS support. |
Grade B | 85 | 100% | Netherlands Nine Eyes | Yes | Yes | Yes | Partial | Not applicable | Not applicable | Yes | Partial | Yes | Not applicable | Not applicable | Not applicable |
Public DNS resolver from Cloudflare with DNS over HTTPS and TLS, DNSSEC validation, and privacy commitments examined by KPMG. |
Grade C | 72 | 100% | United States Five Eyes | No | No | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Partial | Not tested yet |
Public DoH and DoT resolver run by Digitale Gesellschaft, a Swiss non-profit digital rights association. It validates DNSSEC, uses no blocklists and publishes its live configuration. |
Grade C | 67 | 100% | Switzerland Outside Eyes | Partial | Yes | Yes | No | Yes | No | Yes | Partial | Yes | Partial | Partial | Not tested yet |
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. |
Grade C | 65 | 100% | Germany Fourteen Eyes | No | Yes | Yes | No | Yes | No | Yes | Partial | Yes | Yes | Partial | Not tested yet |
Public encrypted DNS resolver run by the volunteer LibreOps collective, with DoH and DoT endpoints and an optional ad-blocking endpoint. |
Grade C | 65 | 100% | Greece Outside Eyes | Yes | Yes | Yes | No | No | No | Yes | Partial | No | Yes | Partial | Not tested yet |
Public DNS resolver run by the Swiss non-profit Quad9 Foundation that blocks known malicious domains and validates DNSSEC. |
Grade C | 65 | 100% | Switzerland Outside Eyes | No | Yes | Yes | No | Yes | No | Yes | Partial | Yes | Yes | Partial | Not tested yet |
Public DNS resolver from AdGuard that blocks ads, trackers and malicious domains, with open-source server software and DoH, DoT, DoQ and DNSCrypt support. |
Grade C | 64 | 100% | Cyprus Outside Eyes | Yes | Yes | Yes | No | No | No | Yes | Partial | Yes | Not tested yet | No | Not tested yet |
DNS resolver service from ControlD Inc. in Canada, founded by the team behind Windscribe. It offers free filtering resolvers and paid plans with custom rules, over legacy DNS, DoH, DoT and DNS over QUIC. |
Grade C | 63 | 100% | Canada Five Eyes | Partial | Yes | Yes | No | No | No | Yes | Partial | Yes | Yes | Partial | Not tested yet |
Free encrypted DNS resolver from Mullvad with optional ad, tracker and malware blocking. Mullvad has announced it is shutting the public service down. |
Grade C | 63 | 100% | Sweden Fourteen Eyes | No | Yes | Yes | No | Partial | No | Yes | Partial | Yes | Yes | Yes | Not tested yet |
Configurable DNS resolver that blocks ads, trackers and malicious domains, with optional parental controls and per-user query logs. |
Grade C | 61 | 100% | United States Five Eyes | Partial | Yes | Yes | No | No | No | Yes | Partial | Yes | Yes | No | Not tested yet |
Free public DNS resolver in Denmark, run by an individual, that does not apply censorship filters. It offers anycast and unicast servers over plain DNS, DoT and DoH. |
Grade C | 61 | 100% | Denmark Nine Eyes | No | Yes | Yes | No | Partial | No | Yes | Partial | Yes | Yes | Partial | Not tested yet |
Public DNS over HTTPS and DNS over TLS resolver run by the Foundation for Applied Privacy, a non-profit association in Vienna. It validates DNSSEC and uses QNAME minimisation. |
Grade D | 57 | 100% | Austria Outside Eyes | No | Yes | Yes | No | No | No | Yes | Partial | Yes | Yes | Partial | Not tested yet |
Hobby ad-blocking DNS resolver run by one person, with servers in Singapore and Germany and support for DoH, DoT, DoQ and DNSCrypt. |
Grade D | 54 | 100% | – | No | Yes | Yes | No | No | No | Yes | Partial | Yes | Yes | No | Not tested yet |
Free public DNS resolver run by Google at 8.8.8.8 and 8.8.4.4 that validates DNSSEC and supports DNS over HTTPS and DNS over TLS. |
Grade D | 45 | 100% | United States Five Eyes | No | No | No | No | Yes | Yes | Yes | Partial | Yes | Not tested yet | Yes | Not tested yet |
DNS filtering service with free family, adult and security filters and paid custom filtering, supporting DoH, DoT and DNSCrypt. |
Grade D | 43 | 100% | United States Five Eyes | No | No | Yes | No | No | No | Yes | Partial | Yes | Yes | Partial | Not tested yet |
Public DNS resolver co-funded by the European Union and operated by a consortium led by Whalebone in the Czech Republic. It offers protective, child-safe, ad-blocking and unfiltered variants over DoH and DoT. |
Grade D | 41 | 100% | Czechia Outside Eyes | No | No | Yes | No | No | No | Yes | Partial | Yes | Yes | No | Not tested yet |
Volunteer-run alternative DNS root with public resolvers that answer for both ICANN domains and OpenNIC's own top-level domains such as .libre and .oss. |
Grade D | 41 | 100% | – | Partial | Partial | Yes | No | No | No | Partial | Partial | Partial | Partial | No | Not tested yet |
Public DNS resolver from Cisco at 208.67.222.222 and 208.67.220.220, with optional content filtering and a free home account for managing filters. |
Grade F | 37 | 100% | United States Five Eyes | No | No | Yes | No | Yes | Yes | Partial | No | Yes | Partial | No | Not tested yet |
Questions
What is the most private option among DNS resolvers?
No pick has been made yet. The table above is sorted by score, based on public evidence.
How are DNS resolvers rated?
Each entry answers 12 questions: open source, no trackers or telemetry, no ads or data sales, independent audit, transparency report, tells users about requests, TLS configuration, security headers, modern web standards, Encrypted DNS, no query logs and DNSSEC validation. Answers need links to evidence. See the full criteria.
Does jurisdiction matter?
Jurisdiction decides which laws can compel a provider to hand over data. Each entry shows its country and whether it is in the Five, Nine or Fourteen Eyes. The data a provider can hand over depends mostly on what it stores and who holds the keys. Read about jurisdictions and the CLOUD Act.