description Quad9 DNS Overview
Quad9 is a highly respected DNS service focused heavily on security, specifically blocking known command-and-control servers and malware domains. It operates on a principle of proactive threat intelligence, making it a top choice for users prioritizing malware protection above all else. Its commitment to security standards and rapid list updates ensures that users are protected against emerging threats without sacrificing significant browsing speed.
help Quad9 DNS FAQ
What DNS address do you use for Quad9's malware-blocking service?
Quad9's recommended IPv4 addresses are 9.9.9.9 and 149.112.112.112. The matching IPv6 addresses include 2620:fe::fe and 2620:fe::9.
Does Quad9 block malware domains by default?
Yes, the recommended Quad9 service includes malware blocking and DNSSEC validation. Quad9 also offers an unsecured option at 9.9.9.10 for expert users who do not want filtering.
How is Quad9 different from Google DNS or Cloudflare DNS?
Quad9 emphasizes security filtering and privacy, while Google Public DNS is commonly used for broad reliability and Cloudflare's 1.1.1.1 emphasizes speed and privacy. Quad9 is operated by a Swiss public-benefit foundation headquartered in Zurich.
Does Quad9 support encrypted DNS?
Yes. Quad9 supports DNS over HTTPS at https://dns.quad9.net/dns-query and DNS over TLS at tls://dns.quad9.net for the recommended service.
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