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    Blog

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    Quad9 Network Problem 2022-12-12

    This week, a routing leak by an unrelated network in Kinshasa, DRC caused non-optimal paths to Quad9 for a few European Union and North American operators from 12:15 to 13:40 UTC on Monday. Liquid Telecom became the favorite path for Verizon, BT, and some Orange France networks, overloading our site in Kinshasa.
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    Quad9 Trends December 2022: Cyber Insights

    Beginning in December 2022, Quad9 will begin releasing a monthly, in-depth report that explores the trending DNS lookups of malicious host names that we blocked during the prior month.
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    Celebrating Five Years of Security & Privacy - A Look Back at Quad9's Impact on Cybersecurity

    Celebrating Five Years of Privacy - A Look Back at Quad9’s Impact on Cybersecurity A lot can change in five years, especially in the world of cybersecurity and protecting your online privacy. As Quad9 celebrates its 5th anniversary, let’s take a look at how its growth has helped make the internet a safer place for everyone.
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    How Quad9 is Protecting Election Integrity

    Quad9 is championing election security and freedom of access to information at the DNS provider level. Check out how maliciously blocking political candidate websites has become the latest trend in election tampering and what measures Quad9 is taking to prevent this from happening.
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    What’s the Difference Between Recursive DNS and Authoritative DNS - 2022

    As you contemplate which option best fits your needs, you’ll likely notice the terms recursive DNS and authoritative DNS tossed around. It is important to understand the difference between these two components of the domain name system and the role that each plays in browsing the web. Spoiler alert – for the average internet user, one of these types of services likely won’t apply.
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    An Update to the Quad9 and Sony Music German Court Injunction – August 2022

    Quad9 has filed an appeal in Hamburg as well as requested the court in Hamburg to set a deadline for Sony to initiate the main proceeding. This would allow additional evidence, such as witnesses or expert testimony to be utilized, which was not possible in the preliminary proceeding, which only permitted affidavits.
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    Why Should I Switch to a Security and Privacy Focused DNS Server?

    Protecting yourself online is more important than ever before and as the internet evolves, antivirus software and malware scanners no longer provide enough protection. Let’s explore the latest security and privacy tool, DNS servers.
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    Mobile Provisioning Profiles

    iOS Mobile Provisioning Profiles for Quad9 protective DNS services
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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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    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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