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Russia’s Invasion of Ukraine Has Led to Increased Cyber Risk - Protect Yourself With Quad9

The Russian invasion of Ukraine has increased global cyber risk. Users can protect themselves and mitigate against cyber attacks by implementing Quad9.

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Press

Bfore.ai Partners With Quad9 to Provide Predictive DNS Cybersecurity Protection

AI-powered engine brings predictive intelligence to Quad9 protective DNS to deliver unprecedented early identification of threats.

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Blog

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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Press

Internet Security Non-Profit Quad9 Files Appeal Against Copyright Lawsuit from Sony Music Germany

The non-profit Swiss DNS provider Quad9, has filed an objection against an interim injunction (310 O 99/21) obtained by Sony Music Germany from the Hamburg Regional Court. This injunction requires Quad9 to implement network blocks that has the potential to set a precedent for other Internet organizations which are drawn into a copyright case in Germany as well as other EU nations.

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Press

Australian Cyber Security Company Now Assisting the Global DNS Community

Australia’s leading IP Transit and Security as a Service company, Global Secure Layer (GSL), today announced its new global partnership with Quad9.

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Blog

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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Blog

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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Press

Web Giants Scrambled to Head Off a Dangerous DDoS Technique

John Todd, the executive director of the nonprofit DNS provider Quad9, wrote in an email that “this threat is/was quite real,” but also noted that it’s “somewhat complex to deploy and leaves some fingerprints,” since the attacker would have to run their own DNS domains.

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