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quad9dns.bsky.social
Quad9
@quad9dns.bsky.social
460 followers 35 following 130 posts
9.9.9.9 Security, Privacy, Performance.

Support Requests: [email protected]

Quad9 Status: https://uptime.quad9.net
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quad9dns.bsky.social
Quad9 @quad9dns.bsky.social · Oct 14
#TLDR: Quad9 will be discontinuing support within DNS-over-HTTPS (DOH) using HTTP/1.1 on December 15, 2025.

Mark your calendar 🗓️ and please share, especially if you know someone who will be affected!

Full story here 👉 quad9.net/news/blog/do...

#DOH #DNS #infosec
Quad9 logo centered in bold white and pink against a circuit-themed purple and blue background.
quad9dns.bsky.social
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
Graphic of the "Quad9 H2 2025 Cyber Insights Report" featuring a tech-inspired background with circuit-like designs.
February 3, 2026 at 2:09 PM
quad9dns.bsky.social
Every day is #DataPrivacyDay at Quad9!

#DNS #privacy #infosec
January 28, 2026 at 2:07 PM
quad9dns.bsky.social
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
iOS 14 and later (Encrypted) - Quad9 Documentation
docs.quad9.net
January 20, 2026 at 3:56 PM
quad9dns.bsky.social
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!
January 15, 2026 at 1:17 PM
quad9dns.bsky.social
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!
Quad9 Public Network Status Page Status
Welcome to Quad9 Public Network Status Page's home for real-time and historical data on system performance.
uptime.quad9.net
January 14, 2026 at 5:07 PM
quad9dns.bsky.social
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! 😻
Two children stand side by side, wearing shirts from the "Kids Collection" featuring the text "quad9" and "Future Internet Defender."
January 13, 2026 at 1:26 PM
quad9dns.bsky.social
Wishing everyone a happy and healthy new year, filled with #internetintegrity! 🫶
A festive graphic featuring a city skyline silhouette with colorful fireworks and the text "2026 Happy New Year" by Quad9.
January 1, 2026 at 2:27 PM
quad9dns.bsky.social
Good morning #Chicago! Our ORD site is undergoing some maintenance this morning to improve our service. 🔧

Thanks for your patience!
Notice for scheduled system maintenance with a message encouraging patience during the process, featuring the logo for Quad9.
December 17, 2025 at 3:33 PM
quad9dns.bsky.social
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
Promotional graphic for SplinterCon: Paris, December 8–10, 2025, exploring sovereignty with the theme: autonomy or isolation?
December 5, 2025 at 4:57 PM
quad9dns.bsky.social
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!
December 2, 2025 at 5:19 PM
quad9dns.bsky.social
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
December 2, 2025 at 11:28 AM
quad9dns.bsky.social
#ICYMI: Quad9 will be discontinuing support within DNS-over-HTTPS (DOH) using HTTP/1.1 in just 2 weeks!

#infosec
quad9dns.bsky.social Quad9 @quad9dns.bsky.social · Oct 14
#TLDR: Quad9 will be discontinuing support within DNS-over-HTTPS (DOH) using HTTP/1.1 on December 15, 2025.

Mark your calendar 🗓️ and please share, especially if you know someone who will be affected!

Full story here 👉 quad9.net/news/blog/do...

#DOH #DNS #infosec
Quad9 logo centered in bold white and pink against a circuit-themed purple and blue background.
December 1, 2025 at 4:49 PM
Reposted by Quad9
lawrencesystems.com
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
December 1, 2025 at 2:30 PM
quad9dns.bsky.social
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
A close-up of a golden fountain pen poised over handwritten notes, with 'quad9' logo prominently displayed.
November 27, 2025 at 2:53 PM
quad9dns.bsky.social
#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
A bold, bright pink number nine of the Quad9 logo, featuring a globe in the center with a heart symbol, representing global generosity and giving for Giving Tuesday.
November 25, 2025 at 3:25 PM
quad9dns.bsky.social
#ICYMI this week...new designs added as well.
quad9dns.bsky.social Quad9 @quad9dns.bsky.social · Nov 18
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
Graphic with a pink-to-dark gradient background featuring the text ‘Support Quad9.’ Below a horizontal line, it reads: ‘Visit Quad9's new merch shop to support our cause and be dressed to the 9s!’ The URL ‘quad9-shop.fourthwall.com’ appears at the bottom. The Quad9 logo includes a stylized ‘9’ with sparkles.
November 21, 2025 at 1:46 PM
quad9dns.bsky.social
Quad9 welcomes global governance and digital infrastructure leader Sylvie LaPerrière to our governing board.

quad9.net/news/press/s...

#DNS #privacy #integrity
Sylvie LaPerrière, with long, straight hair wearing a brown vest and a black top, poses against a light background with a large pink number 9 of the Quad9 logo in the upper right corner.
November 19, 2025 at 4:00 PM
quad9dns.bsky.social
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
Graphic with a pink-to-dark gradient background featuring the text ‘Support Quad9.’ Below a horizontal line, it reads: ‘Visit Quad9's new merch shop to support our cause and be dressed to the 9s!’ The URL ‘quad9-shop.fourthwall.com’ appears at the bottom. The Quad9 logo includes a stylized ‘9’ with sparkles.
November 18, 2025 at 12:55 PM
Reposted by Quad9
eff.org
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...
Lawmakers Want to Ban VPNs—And They Have No Idea What They're Doing
It's unfortunately no longer enough to force websites to check your government-issued ID before you can access certain content, because politicians have now discovered that people are using Virtual
www.eff.org
November 14, 2025 at 6:31 PM
quad9dns.bsky.social
Reminder! December 15th is not that far away! Please share - sharing is caring 🤗
quad9dns.bsky.social Quad9 @quad9dns.bsky.social · Oct 14
#TLDR: Quad9 will be discontinuing support within DNS-over-HTTPS (DOH) using HTTP/1.1 on December 15, 2025.

Mark your calendar 🗓️ and please share, especially if you know someone who will be affected!

Full story here 👉 quad9.net/news/blog/do...

#DOH #DNS #infosec
Quad9 logo centered in bold white and pink against a circuit-themed purple and blue background.
November 13, 2025 at 10:00 PM
quad9dns.bsky.social
Well, we got people talking! But are ALL the right people listening?

www.webpronews.com/quad9s-dns-d...

#DNS #privacy #integrity #internetfreedom
Quad9’s DNS Dilemma: Piracy Blocks Threaten Internet Freedom
Quad9, a nonprofit DNS provider, views court-ordered piracy site blocks as an existential threat, facing legal battles in France and beyond that challenge its privacy-focused mission. Drawing from cas...
www.webpronews.com
November 13, 2025 at 4:22 PM
quad9dns.bsky.social
DNS Provider Quad9 Sees Piracy Blocking Orders as “Existential Threat”

torrentfreak.com/dns-provider...

#DNS #privacy #integrity
DNS Provider Quad9 Sees Piracy Blocking Orders as "Existential Threat" * TorrentFreak
Non-profit DNS resolver Quad9 reports that legal battles over pirate site blocking have become an "existential threat" to its service.
torrentfreak.com
November 11, 2025 at 5:20 PM
Reposted by Quad9
farrokhi.unix.family.ap.brid.gy
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 […]
Original post on unix.family
unix.family
November 3, 2025 at 2:13 PM
quad9dns.bsky.social
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
Bright graphic announcing "Quad9 is hiring. Join our team" with a neon frame on a black background.
October 31, 2025 at 11:44 AM
quad9dns.bsky.social
Lots of questions, the answers for which are not so simple...

"When Enforcing Copyright Starts Breaking the Internet’s Plumbing"

quad9.net/news/blog/wh...

#DNS #internetfreedom
Close-up of a rusty faucet dripping water from a metal pipe, showcasing corrosion and signs of wear, with the Quad9 logo in the bottom right corner.
October 30, 2025 at 12:54 PM