Quad9

@quad9dns.bsky.social

557 Followers 41 Following

9.9.9.9 Security, Privacy, Performance. Support Requests: support@quad9.net Quad9 Status: https://uptime.quad9.net

Quad9 H1 2026 Cyber Insights Report title on a dark purple background with red circular digital design elements.
The quad9 logo features white and pink text on a black background with abstract digital circuit designs in the corners.
Graphic with a person holding a magnifying glass next to a speech bubble saying "Privacy Update" and the quad9 logo below.
Server racks with purple and blue lighting in the background, featuring the white and red "quad9" logo overlay.
Quad9 logo with a neon pink glowing frame and text saying "We are hiring, join our team" on a black background.
Alert icon above a white square with "Status Page Update" text and the Quad9 logo on a pink abstract background.
Indoor event with people watching performers in colorful feathered costumes, under string lights and arched stone walls.
Illustration of three people raising a flagpole with a magenta flag, with the text "DNSSEC" above and quad9 logo below on a gray background.
Word cloud in a circle featuring terms like DoH, DoQ, DNS, QUIC, HTTPS, DoH3, quad9, and HTTP in varied sizes and colors.
Announcement of project support by Nominet DNS Fund with a 3D Nominet logo and website link nominet.uk.
RSAC 2026 Conference logo with event details: San Francisco, March 23-26, Moscone Center, on a blue background.
Colorful, rainbow-striped pi symbol set against a vibrant psychedelic background of swirling, wavy rainbow colors.
The image features a digital background with code and circuitry, prominently displaying the text "quad9" in the center.
A hand holds a megaphone against a bold red background, with a speech bubble stating, "WE NEED YOUR HELP."
Line graph showing the volume of Quad9 blocks to Mozi Botnet and React2Shell exploit domain from February 5 to 9, 2026, with fluctuating values.
Graphic of the "Quad9 H2 2025 Cyber Insights Report" featuring a tech-inspired background with circuit-like designs.
Colorful graphic with black background a magenta features, promoting Data Privacy Day, featuring playful characters and a padlock, emphasizing Quad9's commitment to user privacy.
Two children stand side by side, wearing shirts from the "Kids Collection" featuring the text "quad9" and "Future Internet Defender."
A festive graphic featuring a city skyline silhouette with colorful fireworks and the text "2026 Happy New Year" by Quad9.
Notice for scheduled system maintenance with a message encouraging patience during the process, featuring the logo for Quad9.
Promotional graphic for SplinterCon: Paris, December 8–10, 2025, exploring sovereignty with the theme: autonomy or isolation?
A close-up of a golden fountain pen poised over handwritten notes, with 'quad9' logo prominently displayed.
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.
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.
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.
Bright graphic announcing "Quad9 is hiring. Join our team" with a neon frame on a black background.
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.
A person stands in front of a large NANOG 95 event backdrop featuring sponsor logos, in Arlington, TX. A registration sign is visible nearby.
Group photo at RIPE of Global Cyber Alliance and Quad9 team members.
A row of colorful cowboy boots displaying intricate designs, promoting NANOG 95 conference, October 27-29, 2025, in Arlington, TX.
Event logo for RIPE 91, taking place in Bucharest, Romania from October 20-24, 2025.
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.
Quad9 logo centered in bold white and pink against a circuit-themed purple and blue background.
Quad9 CTO, John Todd, at the podium presenting at DNS-OARC 45 in Stockholm, Sweden.
Video of real-time newly observed domains in ten seconds on Sept 11, 2025 - displayed on a black background with random placement of the domains in a rainbow of colors. Quad9 logo in the top right corner of the screen.
Photo of Quad9's Senior Policy Advisor and Senior Operations Engineers outside Global Gathering 2025 in Portugal.
CSC, Funet, and Quad9 logos over a background image of the University of Helsinki
Quad9 logo centered over a background of server stacks.
Quad9 logo over a dark blue background with pink and bright blue lines with dots.
GIF of the TV series character Mr. Bean doing his dance.
GIF from Newsies "Headlines don't sell papers. Newsies sell papers!"
Financial chart with moving up stock market graph in pink light color background and the Quad9 logo over the center
View of a full auditorium on Day 2 at the of the Internet Governance Forum in Oslo.
"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.
Gif image of shrug emoji ¯\_(ツ)_/¯
John Todd, CTO of Quad9, presents at GC3B last week in Geneva.
Logos of Quad9, the University Corporation for Atmospheric Research, and Front Range GigaPOP appearing like notes pinned to a cork board.
GCA's CTO, Leslie Daigle's presentation at RIPE90 in Lisbon.
Photo from the audience of the Opening Ceremony presentation of GC3B in Geneva.
The words "We are hiring. Join our team" centered on a black background with a neon pink square border around the words, and the Quad9 logo centered on top.
Graph depicting dramatic drop in traffic in Spain and Portugal as a result of the power outage.
A square image with the lowercase q of the Quad9 logo in white and the magenta 9 of the logo in the center above the word "connect." The background colors start in the top left corner with a muted magenta and fades into black.
Graph depicting increased volume of blocked DNS queries to the SocGholish domain blackshelter[.]org in past several days.
The words "We are hiring. Join our team" centered on a black background with a neon pink square border around the words, and the Quad9 logo centered on top.
Black and white headshot of Quad9 Director of Threat Intelligence, Emilia Cebrat-Maslowski, with the magenta 9 of the Quad9 logo in the top right corner.
Graph of the top 3 blocked DNS queries in Venezuela April 2025