108,582 of the 1,000,000 top sites in our Tranco top-1M census run Microsoft 365 (10.9%). Microsoft's subscription suite of productivity apps and services, including Exchange Online email hosting. Detection is homepage-level HTML/header fingerprinting, so a site can run Microsoft 365 on other pages without it showing here.
| # | Domain | Global traffic rank | Contacts |
|---|---|---|---|
| 1 | microsoft.com | #6 (Tranco) | Find emails |
| 2 | azure.com | #26 (Tranco) | Find emails |
| 3 | github.com | #29 (Tranco) | Find emails |
| 4 | bing.com |
| Site | Tranco rank | Also detected | Contacts |
|---|---|---|---|
| fsb.org | #52,791 | Cloudflare edge/CDN, Fancybox, Font Awesome + 6 more | Find emails |
| b1smarttv.com | #52,794 | Amazon Route 53, Cloudflare edge/CDN, Google Trust Services + 1 more | Find emails |
| iti.gov.br | #52,802 | Font Awesome, Google Tag Manager, Meta Pixel + 6 more | Find emails |
| #30 (Tranco) |
| Find emails |
| 5 | microsoftonline.com | #38 (Tranco) | Find emails |
| flaschenpost.de | #52,808 | Cloudflare, Cloudflare edge/CDN, Google Trust Services + 1 more | Find emails |
| darwinbox.in | #52,810 | Amazon CloudFront, Amazon Route 53, Amazon S3 + 1 more | Find emails |
| safecharge.com | #52,811 | 6sense, AWS Lambda, Cloudflare edge/CDN + 11 more | Find emails |
| nobodyschild.com | #52,813 | Amazon Route 53, Cloudflare edge/CDN, Let's Encrypt + 1 more | Find emails |
| stlpr.org | #52,814 | Adobe Fonts (Typekit), Amazon (ACM), Amazon CloudFront + 6 more | Find emails |
| valio.fi | #52,822 | Adobe Fonts (Typekit), Cloudflare Turnstile, Cloudflare edge/CDN + 5 more | Find emails |
| liquibase.com | #52,828 | AWS Lambda, Amazon Route 53, Cloudflare edge/CDN + 9 more | Find emails |
| cooper.edu | #52,848 | Drupal, Fastly, Google Tag Manager + 7 more | Find emails |
| lampenwelt.de | #52,853 | Consentmanager.net, Google Cloud DNS, Let's Encrypt + 5 more | Find emails |
| argenta.be | #52,854 | Adobe Experience Cloud (Launch), Akamai Edge DNS, ConsentMo + 5 more | Find emails |
| eon.de | #52,856 | Cloudflare, Cloudflare Bot Management, Cloudflare Turnstile + 2 more | Find emails |
| uel.ac.uk | #52,858 | Akamai edge/CDN, Akamai mPulse, Amazon Route 53 + 5 more | Find emails |
| apec.org | #52,872 | ASP.NET, Azure API Management, Cloudflare edge/CDN + 2 more | Find emails |
| bittrex.com | #52,878 | ASP.NET, Cloudflare, Cloudflare edge/CDN + 1 more | Find emails |
| loto-quebec.com | #52,892 | Imperva | Find emails |
| goldentulip.com | #52,899 | Akamai Edge DNS, Akamai edge/CDN, DigiCert | Find emails |
| eloquii.com | #52,905 | Adobe Experience Cloud (Launch), Adobe Fonts (Typekit), Attentive + 10 more | Find emails |
| speedweek.com | #52,910 | OneTrust, Sectigo | Find emails |
| adidas.nl | #52,940 | CSC (Digital Brand Services), DigiCert, Tealium | Find emails |
| webasto.com | #52,941 | Adobe Experience Cloud (Launch), Fastly, Sectigo + 1 more | Find emails |
| hkcsl.com | #52,947 | Amazon Route 53, Apache, Bootstrap + 8 more | Find emails |
| readingeggs.com | #52,967 | Adobe Fonts (Typekit), Bootstrap, Cloudflare + 19 more | Find emails |
Showing the first 10,000matches — add a filter to narrow.
From the Crawlora Website Tech Stack Dataset, a homepage-level fingerprint of a 1,000,000-domain Tranco top-1M census (run top1m-2026-08-25-full-v2), snapshot August 25, 2026. Directional, not exhaustive — fully custom or bundled stacks under-detect. Methodology →