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Every website you visit starts with a DNS lookup. Most DNS systems do nothing to protect you in that moment. Quad9 does — blocking millions of malicious sites every day, before your device ever connects to them.

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Partners

Quad9 is a not-for-profit organization whose operational budget comes entirely from sponsorships and donations. Please consider making an ongoing donation to support a more secure and private Internet. If your organization would like to participate in an ongoing substantive sponsorship of Quad9, please send a message through our contact page.

Partner Highlight

Global Cyber Alliance (GCA) logo

Threat Intel Partners

Swiss Internet Security Alliance logo
Abuse Logo
bambenek counseling logo
BeforeAI Logo
CDA Logo
CERT PL Logo
Chain Patrol Logo
Domain Trust Logo
Domain Intelligence Logo
domain sure logo
DomainTools Logo
F-Secure Logo
Health ISAC Community Services Logo
IBM X-Force Logo
inquest logo
iVerify. logo
JustGuard logo
Echarpe Couleur Logo
signal spam logo
mnemonic Logo
OpenPhish Logo
Phish Report Logo
proofpoint logo
Risk Analytics Logo
RiskIQ Logo
Switch logo
SI-CERT Logo, national computer emergency response team
Team Cymrru logo
threat cat logo
Threat Connect Logo
ThreadStop Logo
ticura logo
urlabuse logo
University of Twente logo

Infrastructure Partners

BeforeAI Logo
LWLCOM Logo
wave X: Internet Service Provider Logo

Technology Partners

NLnetLabs logo
edgeuno logo

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