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Quad9 - DNS
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Quad9

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description Quad9 Overview

Quad9 is a free, secure DNS service operated by a non-profit organization. It distinguishes itself through its proactive threat intelligence, blocking access to known malicious domains. Quad9 offers DNSSEC support and prioritizes user privacy, not logging DNS queries. Its global network of servers ensures fast resolution times.

Quad9's focus on security and its commitment to a safer internet make it a compelling choice for users concerned about online threats. It's a strong alternative for those seeking enhanced protection beyond basic DNS functionality.

help Quad9 FAQ

What DNS address does Quad9 use?

Quad9's best-known IPv4 resolver is 9.9.9.9. It also offers encrypted DNS options such as DNS over HTTPS and DNS over TLS for users who want more private resolver transport.

What does Quad9 block?

Quad9 blocks domains that its threat-intelligence sources identify as malicious, such as phishing, malware, and botnet-related domains. It is not primarily an ad blocker like AdGuard DNS.

How is Quad9 different from Cloudflare 1.1.1.1 or Google 8.8.8.8?

Cloudflare 1.1.1.1 is known for speed and privacy positioning, while Google Public DNS is known for reliability and scale. Quad9's main hook is security filtering on the default 9.9.9.9 resolver.

Who operates Quad9?

Quad9 is operated by the Quad9 Foundation, a non-profit organization. That non-profit structure is part of why privacy-focused users often consider it alongside Cloudflare, NextDNS, and Control D.

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