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Quad9 DNS

The most recommended of 9 DNS resolvers

Free privacy-focused DNS resolver that blocks malware domains and is run by a not-for-profit; critics note it blocks piracy sites and sometimes blocks non-malicious domains.

Free privacy-focused DNS resolver that blocks malware domains and is run by a not-for-profit; critics note it blocks piracy sites and sometimes blocks non-malicious domains.

96 people gave an opinion

recommend it
58
criticize it
38
approval share
60%
Each figure is one person. RecommendsCriticizes

Recommended in 10 of 13 months

  1. November 2025: recommended
  2. December 2025: recommended
  3. January 2026: recommended
  4. February 2026: recommended
  5. March 2026: recommended
  6. April 2026: recommended
  7. May 2026: not recommended
  8. June 2026: recommended
  9. July 2026: recommended
  10. August 2026: not recommended
  11. September 2026: recommended
  12. October 2026: recommended
  13. November 2026: not recommended (month in progress)

Why it doesn’t carry the badge

  • 58 people recommend itNeeds 10 or more, met.
  • 1.5 recommenders for every criticNeeds 2 to 1 or better, not met.
  • Recommended in 10 of 13 monthsNeeds 4 or more, met.

The same three rules apply to every product, and the badge can’t be bought. How the badge works

What people say about it

The reasons people give, with the number of comments that give each one. Open a reason to read what they said.

Why people recommend it

Each mark is one comment

  • Privacy-focused, not-for-profit operator

    “Quad9 is a Swiss-based not-for-profit organization whose operational budget comes entirely from sponsorships and donations.”

    Comment from 22 Oct 2026 in “Quad9 to exit France”

    “Quad9 is a good operator, and they actually fought Sony in German court instead of quietly complying.”

    Comment from 4 Sep 2026 in “Shutting down our public encrypted DNS”

    “Quad9 is a good operator, they actually fought Sony in a German court instead of quietly complying”

    Comment from 22 Oct 2026 in “Quad9 to exit France”
  • Simple, dependable everyday DNS

    “I've been using Quad9 at home for years as my only upstream DNS resolver”

    Comment from 3 Apr 2026 in “Quad9 Enables DNS over HTTP/3 and DNS over QUIC”

    “thanks for the great DNS service, I'm using it everywhere”

    Comment from 5 Sep 2026 in “Shutting down our public encrypted DNS”

    “Quad9 offers a simple solution for these usecases.”

    Comment from 5 Sep 2026 in “An open DNS recursive service for free security and high privacy”
  • Unfiltered and ECS variants offered

    “9.9.9.12, which is unfiltered and passes ECS.”

    Comment from 5 Sep 2026 in “An open DNS recursive service for free security and high privacy”

    “I've got the pod DNS pointed to the unfiltered quad9 endpoint”

    Comment from 14 Feb 2026 in “Internet Increasingly Becoming Unarchivable”

    “They have an ECS enabled option that fixes that, at 9.9.9.11”

    Comment from 5 Sep 2026 in “An open DNS recursive service for free security and high privacy”
  • Malware blocking and DNSSEC validation

    “I tried resolving dnssec-failed.org and it does indeed fail with EDE 6 (DNSSEC Bogus)”

    Comment from 28 Jun 2026 in “Choosing a Public DNS Resolver”

    “Secured w/ECS: Malware blocking, DNSSEC Validation, ECS enabled”

    Comment from 22 Mar 2026 in “Cloudflare flags archive.today as "C&C/Botnet"; no longer resolves via 1.1.1.2”

What people warn about

Each mark is one comment

  • Blocks non-malicious domains by mistake

    “where they blocked a non-malware domain for a short while, which is really annoying to deal with”

    Comment from 10 Nov 2025 in “DNS Provider Quad9 Sees Piracy Blocking Orders as "Existential Threat"”

    “their main address (9.9.9.9) has a "malware" blacklist that has misfired several times already”

    Comment from 28 Jun 2026 in “Choosing a Public DNS Resolver”

    “Once Quad9 blocked Halo MCC XBOX Live -> Steam achievements, several fileshare services”

    Comment from 28 Jun 2026 in “Choosing a Public DNS Resolver”
  • Filters piracy domains on rights-holder orders

    “Cutting piracy while saying that you cut malware is def lying because pirated resources might not provide anything malicious for the end user.”

    Comment from 23 Oct 2026 in “Quad9 to exit France”

    “Quad9 is censoring some domains in Europe (notably in France and Italy) following injunctions issued by rights holders”

    Comment from 4 Sep 2026 in “Shutting down our public encrypted DNS”

    “apparently filtering piracy domains is technically impossible and not the right place for this to happen”

    Comment from 22 Oct 2026 in “Quad9 to exit France”
  • Slow or intermittent performance

    “Quad9 was consistently slower in response times when measured”

    Comment from 4 Sep 2026 in “An open DNS recursive service for free security and high privacy”

    “it failed me a couple of times in the past two months”

    Comment from 28 Jun 2026 in “Choosing a Public DNS Resolver”

    “there have been constant issues in the northeast with random SERVFAILs for months now”

    Comment from 10 Nov 2025 in “DNS Provider Quad9 Sees Piracy Blocking Orders as "Existential Threat"”
  • Can lie about DNSSEC validation

    “Quad9 can lie to clients about whether it validated DNSSEC, or whether DNSSEC was present at all.”

    Comment from 7 Sep 2026 in “Shutting down our public encrypted DNS”

    “if you're resolving off Quad9, they can definitely poison your DNSSEC-signed records”

    Comment from 5 Sep 2026 in “Shutting down our public encrypted DNS”

Other DNS resolvers people recommend

The four most recommended other DNS resolvers, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.

Quad9 DNS compared with 4 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
Quad9 DNSThis page583860%10——
Cloudflare DNS525549%11——
Unbound DNS resolver45492%12—Approved
Mullvad DNS21581%5—Approved
Google Public DNS18967%11—Approved
See all 9 DNS resolvers, ranked

What people said

40 of the 107 comments that mention it, newest first. Each links to the original comment.

“I support your position. I have donated to help you continue the work.”

RecommendsComment from 23 Oct 2026 in “Quad9 to exit France”

“You can use 9.9.9.10 - it has no filtering.”

RecommendsComment from 23 Oct 2026 in “Quad9 to exit France”

“Cutting piracy while saying that you cut malware is def lying because pirated resources might not provide anything malicious for the end user.”

CriticizesComment from 23 Oct 2026 in “Quad9 to exit France”

“Quad9 already states that they strongly oppose piracy, so just block the sites.”

MixedComment from 23 Oct 2026 in “Quad9 to exit France”

“apparently filtering piracy domains is technically impossible and not the right place for this to happen”

CriticizesComment from 22 Oct 2026 in “Quad9 to exit France”

“perfectly in line with what you would expect a privacy focused service to do”

RecommendsComment from 22 Oct 2026 in “Quad9 to exit France”

“I couldn't agree more with your stance, and I appreciate deeply you fighting to maintain your (correct) principles.”

RecommendsComment from 22 Oct 2026 in “Quad9 to exit France”

“Quad9 is a Swiss-based not-for-profit organization whose operational budget comes entirely from sponsorships and donations.”

RecommendsComment from 22 Oct 2026 in “Quad9 to exit France”

“Quad9 is a good operator, they actually fought Sony in a German court instead of quietly complying”

MixedComment from 22 Oct 2026 in “Quad9 to exit France”

“Quad9 is getting picked on because they do not have a large financial backing”

RecommendsComment from 22 Oct 2026 in “Quad9 to exit France”

“Quad9 can lie to clients about whether it validated DNSSEC, or whether DNSSEC was present at all.”

CriticizesComment from 7 Sep 2026 in “Shutting down our public encrypted DNS”

“we do appreciate everything that Quad9 and other free/privacy-focused DNS services do and provide.”

MixedComment from 5 Sep 2026 in “An open DNS recursive service for free security and high privacy”

“Your ISP can snoop on upstream requests. It is likely less private than Quad9 or similar services where you can mix requests with a large crowd.”

RecommendsComment from 5 Sep 2026 in “An open DNS recursive service for free security and high privacy”

“thanks for the great DNS service, I'm using it everywhere”

RecommendsComment from 5 Sep 2026 in “Shutting down our public encrypted DNS”

“Quad9 offers a simple solution for these usecases.”

RecommendsComment from 5 Sep 2026 in “An open DNS recursive service for free security and high privacy”

“if you're resolving off Quad9, they can definitely poison your DNSSEC-signed records”

CriticizesComment from 5 Sep 2026 in “Shutting down our public encrypted DNS”

“You can use 9.9.9.10, which is unfiltered, or 9.9.9.12, which is unfiltered and passes ECS.”

RecommendsComment from 5 Sep 2026 in “An open DNS recursive service for free security and high privacy”

“9.9.9.12, which is unfiltered and passes ECS.”

RecommendsComment from 5 Sep 2026 in “An open DNS recursive service for free security and high privacy”

“They have an ECS enabled option that fixes that, at 9.9.9.11”

RecommendsComment from 5 Sep 2026 in “An open DNS recursive service for free security and high privacy”

“Quad9 was consistently slower in response times when measured”

MixedComment from 4 Sep 2026 in “An open DNS recursive service for free security and high privacy”

“in practice the odds your local resolver is validating DNSSEC is slim (and if you're intentionally configured it to do so, switch to a provider that isn't Quad9)”

MixedComment from 4 Sep 2026 in “Shutting down our public encrypted DNS”

“Quad9 is censoring some domains in Europe (notably in France and Italy) following injunctions issued by rights holders”

CriticizesComment from 4 Sep 2026 in “Shutting down our public encrypted DNS”

“Quad9 is a reasonable choice given the stance on privacy”

RecommendsComment from 4 Sep 2026 in “Shutting down our public encrypted DNS”

“Quad9 is a good operator, and they actually fought Sony in German court instead of quietly complying.”

RecommendsComment from 4 Sep 2026 in “Shutting down our public encrypted DNS”

“You can also throw a lying-DNS in the chain, either by using something like Quad9”

RecommendsComment from 28 Jul 2026 in “Ask HN: Crooked Timber showed showed me a virus captcha, What now?”

“I tried resolving dnssec-failed.org and it does indeed fail with EDE 6 (DNSSEC Bogus)”

RecommendsComment from 28 Jun 2026 in “Choosing a Public DNS Resolver”

“Once Quad9 blocked Halo MCC XBOX Live -> Steam achievements, several fileshare services”

CriticizesComment from 28 Jun 2026 in “Choosing a Public DNS Resolver”

“it failed me a couple of times in the past two months”

MixedComment from 28 Jun 2026 in “Choosing a Public DNS Resolver”

“their main address (9.9.9.9) has a "malware" blacklist that has misfired several times already”

CriticizesComment from 28 Jun 2026 in “Choosing a Public DNS Resolver”

“quad9 seems fine. Glad there are a bunch of alternatives though.”

RecommendsComment from 28 Jun 2026 in “Choosing a Public DNS Resolver”

“blocking them even if they are NOT malicious causes zero harm”

RecommendsComment from 16 Jun 2026 in “The ghost domain problem in DNS, and what we're doing about it”

“I've been using Quad9 at home for years as my only upstream DNS resolver”

RecommendsComment from 3 Apr 2026 in “Quad9 Enables DNS over HTTP/3 and DNS over QUIC”

“It seems faster for me and it has multiple choices of protection.”

RecommendsComment from 2 Apr 2026 in “Quad9 Enables DNS over HTTP/3 and DNS over QUIC”

“Secured w/ECS: Malware blocking, DNSSEC Validation, ECS enabled”

RecommendsComment from 22 Mar 2026 in “Cloudflare flags archive.today as "C&C/Botnet"; no longer resolves via 1.1.1.2”

“these controls can be bypassed relatively easily by using your own DNS or a public DNS server like Quad9”

MixedComment from 23 Feb 2026 in “The Age Verification Trap, Verifying age undermines everyone's data protection”

“I've got the pod DNS pointed to the unfiltered quad9 endpoint”

MixedComment from 14 Feb 2026 in “Internet Increasingly Becoming Unarchivable”

“I always use 9.9.9.11 instead of 9.9.9.9 to hopefully help improve performance.”

MixedComment from 3 Dec 2025 in “Helldivers 2 devs slash install size from 154GB to 23GB”

“it is safer to use a big popular DNS recursor (google, cloudflare, adguard, quad9, etc)”

RecommendsComment from 16 Nov 2025 in “Our investigation into the suspicious pressure on Archive.today”

“there have been constant issues in the northeast with random SERVFAILs for months now”

CriticizesComment from 10 Nov 2025 in “DNS Provider Quad9 Sees Piracy Blocking Orders as "Existential Threat"”

“where they blocked a non-malware domain for a short while, which is really annoying to deal with”

CriticizesComment from 10 Nov 2025 in “DNS Provider Quad9 Sees Piracy Blocking Orders as "Existential Threat"”

Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.