- Quad9 | A public and free DNS service for a better security and privacy
Quad9 is a free service that replaces your default ISP or enterprise Domain Name Server (DNS) configuration When your computer performs any Internet transaction that uses the DNS (and most transactions do), Quad9 blocks lookups of malicious host names from an up-to-the-minute list of threats
- Service Addresses Features | Quad9
Quad9 provides an app for Android users, which greatly simplifies configuration of Quad9 DNS for those devices The app includes other features such as a full log of DNS queries, notification on block events, and encryption (using DNS-over-TLS) of all queries to the Quad9 systems
- Service | Quad9
Quad9 is a free, recursive, anycast DNS platform that provides end users robust security protections, GDPR-backed privacy guarantees, and which uses a high performance worldwide network
- About - Quad9
Quad9 is a free, recursive, anycast DNS platform that provides end users robust security protections, high performance, and privacy Security: Quad9 blocks against known malicious domains, preventing your computers and IoT devices from connecting to malware or phishing sites
- Frequently Asked Questions | Quad9
Quad9 aggregates cyber threat intelligence from a variety of public and private sources about malicious domains and blocks access to those malicious domains when your system attempts to connect to them
- Overview - Quad9 Documentation
Quad9 is a Swiss-based, non-profit organization which operates a privacy-and-security focused, open DNS recursive service for the masses, which is used by an estimated tens of millions of devices worldwide, and is intended for everyone, from home users to large-scale enterprises
- Threat blocking | Quad9
Quad9 blocks only sites that present a danger to the end user, their equipment, or the network Quad9 does not block content, and the agreements with threat intelligence providers stipulate that the criteria for blocking be exclusively security-related and not based on other categories
- Services - Quad9 Documentation
Services Quad9 offers several variations of our free, private DNS service 9 9 9 9 (Secure) Our most-popular service A threat-blocking, privacy-first recursive DNS service
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