IPv4

  • 9.9.9.9
  • 149.112.112.112
  • IPv6

  • 2620:fe::fe
  • 2620:fe::9
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    Blog

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    DNS4EU - Quad9 Perspective and Status

    Quad9 strives to “raise the bar” for rDNS operators in all environments. We hoped this tenderwould create incentives for EU-based rDNS operators (ISPs, telcos, network service operators or rDNS platforms) to work towards an equivalent set of privacy and security guidelines. We had hoped that Quad9 would be one of multiple winning candidates funding expansion and service upgrades across the EU.
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    Quad9 Files Official Objection Opposing Sony Music’s German Court Ruling

    The objection we are filing against the injunction is extensive with many procedural and jurisdictional arguments, all of which we believe are valid reasons for dismissal or which support those reasons.
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    Service Interruption Summary (2021/05/03) and Capacity Plans

    Quad9 was the target of a distributed denial of service attack beginning at 16:10 UTC on May 3, and lasting at the most-impacted sites for around ninety minutes.
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    Quad9 public domain name service moves to Switzerland for maximum internet privacy protection

    Quad9 is the first DNS security solution to extend GDPR privacy protections to internet users worldwide.
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    DNS Blocking Effectiveness: Recent Independent Tests

    Quad9’s DNS blocking service has recently been part of an independent test done to compare various DNS-based blocking systems.
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    Cyber Peace Institute Panel: Increased need for cybersecurity on the front lines in the fight against COVID-19

    The health care sector is on the front lines of the fight against the COVID-19 pandemic, and protecting their networks is an important part of our need for increased cybersecurity right now.
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    Quad9 Sees Massive Growth in Blocked DNS Volume

    Quad9’s free, open recursive DNS service blocks hosts, which contain malware, phishing, botnets, spyware, and a variety of other risks that try to defraud end-users, or harm their computers or networks. Millions of users around the world use Quad9’s free DNS recursive resolvers (9.9.9.9/149.112.112.112) to map hostnames to IP addresses as part of almost every Internet transaction.
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    Quad9 Helps Protect You While Working From Home…Oh, and All the Other Times Too!

    As physical offices and schools shut down worldwide, people are rapidly relying more and more on a home-based telecommuting environment. Security protections once provided by enterprise or school network administrators must be available to the home network.
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    Help: My New COVID-19 Site is Getting Blocked!

    In times such as these, bad cyber-actors will also emerge. We’ve been alerted to a rise in phishing, malware, and ransomware attacks from a number of our Threat Intelligence Providers and public sources such as; EFF, IBM, and DomainTools. Rest assured, we are working to protect our global user base and add these malicious sites into our Block List as quickly as possible.
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    Quad9 Connect now available on Google Play

    We are delighted to announce the open release of Quad9 Connect – a mobile app allowing the more than 2.5 billion global users of smartphones built on Android to use our free security and privacy-driven recursive DNS service to block access to malicious websites and maximize web browsing privacy while using an Android mobile device.
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