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Quad9
@quad9dns.bsky.social
430 followers 35 following 110 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
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
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
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
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
quad9dns.bsky.social
We have arrived! #NANOG95
A person stands in front of a large NANOG 95 event backdrop featuring sponsor logos, in Arlington, TX. A registration sign is visible nearby. A person stands in front of a large NANOG 95 event backdrop in Arlington, TX.
October 28, 2025 at 12:24 PM
quad9dns.bsky.social
You run into the best kinda people at #RIPE91 😻

It was great to spend time with our friends and partners @[email protected] this week!
Group photo at RIPE of Global Cyber Alliance and Quad9 team members.
October 23, 2025 at 5:36 PM
quad9dns.bsky.social
The team has been traveling quite a bit lately! Next week on to #NANOG95. See you there!

P.S. love the boots! 🤠
A row of colorful cowboy boots displaying intricate designs, promoting NANOG 95 conference, October 27-29, 2025, in Arlington, TX.
October 23, 2025 at 1:57 PM
quad9dns.bsky.social
Join our Director of Operations @farrokhi.unix.family.ap.brid.gy at #RIPE91 🇷🇴 tomorrow to talk about ADoT/ADoQ: Deployment Collaboration.

ripe91.ripe.net/programme/me...

#DNS #infosec
Event logo for RIPE 91, taking place in Bucharest, Romania from October 20-24, 2025.
October 22, 2025 at 5:09 PM
quad9dns.bsky.social
We love it when our partners and friends share their Quad9 collaboration stories!

Willem Toorop from @nlnetlabs.bsky.social at #RIPE91 🇷🇴

Who is "really" running email?
ripe91.ripe.net/programme/me...

#DNS #infosec
Willem Toorop from NLnet Labs is presenting on his collaboration with Quad9 to measure “Who is really running email?” at RIPE 91 conference in Bucharest.
October 21, 2025 at 4:24 PM
quad9dns.bsky.social
#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.
October 14, 2025 at 12:51 PM
quad9dns.bsky.social
Spotted today at #OARC45 🇸🇪...

(hint 😉: @jhtodd.bsky.social)
Quad9 CTO, John Todd, at the podium presenting at DNS-OARC 45 in Stockholm, Sweden.
October 8, 2025 at 1:01 PM
quad9dns.bsky.social
Fun fact for the day: Look what we can see real-time in just 10 seconds...newly observed domains.

And we've seen more than 408M just since January!

#infosec
September 11, 2025 at 1:47 PM
quad9dns.bsky.social
When you just can't decide if you're in the mood to be 6panb or quad9 today (zoom in 😍).

Enjoying #GlobalGathering2025 in Portugal this week! If you haven't come to see us, we're in Booth 16.

Remember, digital rights are human rights!

#DNS #privacy #integrity #digitalrights
Photo of Quad9's Senior Policy Advisor and Senior Operations Engineers outside Global Gathering 2025 in Portugal.
September 10, 2025 at 2:47 PM
quad9dns.bsky.social
Toivotamme uuden jäsenen tervetulleeksi Quad9-yhteisöön! 🇫🇮

Quad9 ja CSC sopivat kumppanuudesta kyberturvallisuuden vahvistamiseksi Suomessa

quad9.net/news/press/q...

#DNS
CSC, Funet, and Quad9 logos over a background image of the University of Helsinki
August 20, 2025 at 1:06 PM
quad9dns.bsky.social
Some food for thought and weekend reading!

What happens when you interfere with the Internet's infrastructure? 🤔

quad9.net/news/blog/in...

#DNS #infosec #internet

cc: @internetsociety.bsky.social
Quad9 logo centered over a background of server stacks.
August 15, 2025 at 12:31 PM
quad9dns.bsky.social
Our H1 2025 Cyber Insights is out and ready for consumption!

quad9.net/news/blog/tr...

#infosec #omnatuor #mailware #taidoor #phishing #DNS
Quad9 logo over a dark blue background with pink and bright blue lines with dots.
July 24, 2025 at 3:03 PM
quad9dns.bsky.social
Something fun to peruse over the weekend...we've started a daily dose of the top 500 #DNS domains seen on the Quad9 recursive resolver on #GitHub.

We're excited, are you? github.com/Quad9DNS/qua...

Still #privacy preserving and shared to improve the #security and #integrity of Internet.

#infosec
GIF of the TV series character Mr. Bean doing his dance.
July 11, 2025 at 2:43 PM
quad9dns.bsky.social
#DYK Quad9 has a quarterly newsletter? If you haven't already signed up, now's your chance! Q2 is out tomorrow!

www.quad9.net/news/#mc_emb...

#DNS #privacy
GIF from Newsies "Headlines don't sell papers. Newsies sell papers!"
July 9, 2025 at 2:54 PM
quad9dns.bsky.social
NEW on the Quad9 blog 👉

Protecting Your #Crypto: How Quad9 Safeguards You from Crypto Exploits

quad9.net/news/blog/pr...

📣 And a shout out to our #threatintel partners who are a key part of what makes Quad9 unique! quad9.net/about/partne...

#DNS #privacy #infosec #WeAreStrongerTogether
Financial chart with moving up stock market graph in pink light color background and the Quad9 logo over the center
June 26, 2025 at 1:27 PM
quad9dns.bsky.social
Day 2 at #IGF2025 in 🇳🇴
Quad9 is in the house!

#DNS #privacy #internetfreedom
View of a full auditorium on Day 2 at the of the Internet Governance Forum in Oslo.
June 24, 2025 at 1:59 PM
quad9dns.bsky.social
#KeNOG members and Quad9 CTO @jhtodd.bsky.social last night at an informal discussion about monitoring and telemetry. Thanks to #Angani for arranging and hosting the meeting!

Great way to wrap up a productive week in #Nairobi! 🇰🇪
June 20, 2025 at 3:30 PM
quad9dns.bsky.social
Quad9 and BforeAI Expand Strategic Partnership to Supercharge Preemptive Threat Intelligence

quad9.net/news/press/q...

#DNS #privacy #threatintel #infosec
"Making the internet predictably safer" titles this image of an infinity loop design which surrounds the BforeAI logo on the left and the Quad9 logo on the right. The loop is divided into 5 sections with different colors to describe the collaboration between the two organizations, as follows: 1) PreCrime Intelligence predicts; 2) PreCrime Intelligence disrupts and shares; 3) Quad9 blocks; 4) Automatically protects; and 5) Quad9 provides telemetry data.
June 11, 2025 at 1:12 PM