Quad9

Yesterday, French courts ruled against Quad9 in a case that threatens the stability of the Internet. Starting November 24, Quad9 will no longer be able to offer its free cybersecurity service to users in France. quad9.net/news/blog/au... #DNS #InternetIntegrity #infosec

Hier, les tribunaux français ont rendu une décision défavorable à Quad9 dans une affaire menaçant la stabilité d’Internet. Dès le 24 novembre, Quad9 ne pourra plus offrir son service gratuit de cyberprotection aux utilisateurs en France. quad9.net/fr/news/blog... #DNS #IntégritéInternet

#InternetIntegrity!

For those who have been following our troubles in France, here is the latest from #TorrentFreak. torrentfreak.com/dns-resolver... #DNS #internetintegrity #internetfreedom

Service impact in the APAC region due to subsea cable outages and Typhoon Dujuan: uptime.quad9.net #DNS #infosec #APAC

@quad9dns.bsky.social www.sustysubs.net/alternatives...

Our H1 2026 Cyber Insights Report is live! Insights courtesy of our very talented Director of Intel, Emilia Cebrat-Maslowski. quad9.net/news/blog/tr... #DNS #threatintel #infosec

Keeping Private Namespace Queries Private ...more of the quiet work behind the scenes that deserves to be talked about! quad9.net/news/blog/ke... #privacy #security #DNS #infosec

A little reading to put in the queue for the weekend...we've updated our privacy policy (quad9.net/privacy/poli...) AND are sharing a blog to explain the changes. quad9.net/news/blog/we... As always, all respectful feedback and questions are welcome! 🫶😍 #privacy #DNS #internetintegrity #infosec

Tomorrow is the day!! 👇 #DNSSEC #infosec

Reminder! 🗓️ #DNSSEC #DNS #infosec

Next week is a busy week for the team headed to Edinburgh, including a chat with our friend Andrew! We hope to see you there! ✈️ 🏴󠁧󠁢󠁳󠁣󠁴󠁿 www.linkedin.com/posts/andrew... #DNS #OARC46 #RIPE92 #infosec

Some may have experienced outage intervals for our primary zone "quad9.net" on 8 May - for we which we are sorry and appreciate your support and patience 🫶 . Here are the details: quad9.net/news/blog/an... #DNS #transparency #infosec

ISO an Infrastructure Provisioning Manager to join our amazing Quad9 team. 🌠 Interested? You can find all the details right here: quad9.net/about/jobs/ Remember, sharing is caring 🫶 #DNS #privacy #internetfreedom #infosec #jobs #hiring

Reminder to our users who subscribe to our status page. We migrated to a new platform today, and you will need to re-subscribe if you wish to continue receiving notifications. More here: quad9.net/news/blog/no... #DNS #privacy

Here at the #GlobalPeeringForum in Panama 🇵🇦 this week! Reach and out say hi 👋 if you're here too! #peering #networkconnections #DNS

Mark your calendar! Starting June 15, 2026, DNSSEC strict validation will be active across every Quad9 service endpoint, including 9.9.9.10. 🥳 #DNSSEC #DNS #infosec quad9.net/news/blog/qu...

Quad9 Enables DNS Over HTTP/3 and DNS Over QUIC quad9.net/news/blog/qu... And no, this isn't April Fools 😉 #DNS #DOH3 #DOQ #infosec

We are honoured to be one of the first recipients of the Nominet DNS Fund. We thank @nominet.uk for their forward thinking - helping public interest nonprofits, such as Quad9. quad9.net/news/press/n... Congratulations to the other recipients! #DNS #internetintegrity #privacy #infosec

#RSAC2026 - it's that time of year! See you next week!! 👋

We agree! And if you want to learn more about our thoughts on this topic, check out our blog: quad9.net/news/blog/wh... #DNS #internetintegrity

Happy #PiDay people!!!

DNSSEC Negative Trust Anchors: No Good Compromises => learn more about them and our new policy. quad9.net/news/blog/dn... #infosec #DNSSEC #transparency #security #DNS

Seeing a high volume of blocked #DNS queries to the domain linked to the #Mozi botnet & the #React2Shell exploit. This identified malicious domain is provided by our #threatintel partner, ThreatSTOP. Our proactive DNS filtering is currently preventing these connections to keep you secure. #infosec

The latest Quad9 Trends report with insights from our Director of #ThreatIntel for H2 2025 👉 quad9.net/news/blog/tr... #DNS #infosec #mirai #omnatour #malvertizing #crowdstrike

Every day is #DataPrivacyDay at Quad9! #DNS #privacy #infosec

Quad9 has new DNS over HTTPS and DNS over TLS .mobileconfig profiles for iOS/MacOS for January 2026 <-> January 2027. Download the profiles here: docs.quad9.net/Setup_Guides... #infosec #DNS

Good morning #Dallas! We have made the required changes and are monitoring DFW to ensure the issue is fully resolved. uptime.quad9.net Thanks for your patience!

Heads up to our friends in #Dallas (DFW). We've identified an issue affecting the service which will require the PoP to go offline for up to 2 hours tomorrow (Jan 15th). For more details please check our status page uptime.quad9.net We apologize for the service degradation and inconvenience!

What's new on the #quad9merch shop? We've started a collection for the world's "Future Internet Defenders" 👉 quad9-shop.fourthwall.com/collections/... Check it out! 😻

Wishing everyone a happy and healthy new year, filled with #internetintegrity! 🫶

Good morning #Chicago! Our ORD site is undergoing some maintenance this morning to improve our service. 🔧 Thanks for your patience!

We're off to #SplinterCon in Paris 🇫🇷 next week! ✈️ We'll be showcasing the Quad9 Event Dashboard (QED) built on the Globe of Wonder (github.com/Quad9DNS/Glo...) and doing a lightning ⚡ talk or two! Give us a shout if you'll be around! #DNS #infosec #internetintegrity #encryption

Heads up to our friends in the #UK - we're performing maintenance at the LHR site which should be completed in ~ another 4 hours. We're sorry for the inconvenience!

This #GivingTuesday, please consider making a donation to continue our work to sustain a public-benefit cybersecurity service that puts users first, not profit. 👉 quad9.net/donate/ #DNS #privacy #infosec #internetintegrity

#ICYMI: Quad9 will be discontinuing support within DNS-over-HTTPS (DOH) using HTTP/1.1 in just 2 weeks! #infosec

Need a safer way to browse without putting your system at risk? In this clip, we look at Kasm, a sandboxed browser environment built for security and convenience. It’s perfect for testing unknown sites, isolating risky tasks, or keeping your main system squeaky clean. youtu.be/TbtGd3lWc4M

Urgent Call for EU Legislative Protection of Core Internet Security Infrastructure A letter from our General Manager, Simon Forster. quad9.net/news/blog/ur... #DNS #internetfreedom #EU #infosec

#GivingTuesday is only a week away! Join the global movement on December 2 and consider supporting the Quad9 mission to provide a safer and more robust internet for everyone. A free and secure internet is a basic human right. 🫶 #internetfreedom #internetintegrity

#ICYMI this week...new designs added as well.

Quad9 welcomes global governance and digital infrastructure leader Sylvie LaPerrière to our governing board. quad9.net/news/press/s... #DNS #privacy #integrity

Welcome to our first ever merch shop 🛒, starting with the classics that never go out of style! We have more ideas in the queue for designs and products, so stay tuned!! You can check it out here: quad9-shop.fourthwall.com ** Discount code QUAD9BDAY expires Dec 17th ** #quad9merch #dresstothe9s

If lawmakers genuinely care about young people's wellbeing, they should invest in education, support parents with better tools, and address the actual root causes of harm online. What they shouldn't do is wage war on privacy itself. www.eff.org/deeplinks/2...

Reminder! December 15th is not that far away! Please share - sharing is caring 🤗

Well, we got people talking! But are ALL the right people listening? www.webpronews.com/quad9s-dns-d... #DNS #privacy #integrity #internetfreedom

DNS Provider Quad9 Sees Piracy Blocking Orders as “Existential Threat” torrentfreak.com/dns-provider... #DNS #privacy #integrity

Something that started as a small curiosity and weekend project turned into a long article with several surprises for myself (including how bad I am at time estimates). I went down quite a few rabbit holes along the way. EDNS Client Subnet in Practice: Evaluating Public Resolver Behaviors […]

ISO Tier 2 or 3 Technical Support Engineer 👉 Who doesn't love heading into the weekend in anticipation of submitting your resume?! See if this opportunity to work with a great team (i.e., us 😉) is the right fit for you! Please share! quad9.net/about/jobs/ #GetFediHired #infosec #hiring #TSE