Quad9

Nonprofit public DNS resolver that blocks lookups to known malicious domains and supports encrypted DNS.

Pricing: free
Free tier: true
Open source: No

Editorial review

Quad9 has not yet been editorially reviewed. User reviews and published field data below are unaffected — we say so rather than implying an editorial verdict.

Facts & attributes

Every value carries its evidence state. “—” means unknown — never a silent default (P-02).

Identity · Taxonomy

Tags(open-source;cloud-native): DNS, secure DNS, malware blocking, privacy, threat intelligenceVerification pending

Pricing · Licensing

Free plan(true/false): trueVerification pending
Pricing model(free;subscription;usage;seat;asset;transaction;revenue-share;perpetual;custom): freeVerified

Features · Product · Fit

Core capabilities(authoring;automation;analytics): DNS blocking of malicious hostnames, threat intelligence from 25+ providers, 230+ resolver clusters in over 110 countries, DNS encryption support, no IP address logging in any Quad9 systemVerification pending

Security · Privacy · Compliance

Regulatory compliance(HIPAA;PCI DSS;FedRAMP;GDPR support): GDPRVerified

Support · Docs · Services

Support channels(email;ticket;chat;phone;community): setup guides, FAQ, support portalVerification pending

Audience · Use · Case

Best for(Neutral editorial summary): Anyone wanting free privacy-first DNS with malware blocking under Swiss jurisdiction and GDPR-compliant designVerification pending
Company-size fit(individual;SMB;mid-market;enterprise): individual, SMB, mid-market, enterpriseVerification pending
Primary use cases(build;monitor;automate): replacing ISP or enterprise DNS with a secure resolver, protecting computers, mobile devices, and IoT from malware and phishing, privacy-preserving DNS without IP loggingVerification pending
Skill level(beginner;intermediate;advanced;specialist): beginnerVerification pending

Vendor · Maintainer

Founded year(2012): 2017Verified
Headquarters country(US): SwitzerlandVerified
Vendor type(commercial;foundation;community;government;consortium;individual): foundationVerified

User reviews

Review policy

No published reviews yet.