104,545 of the 965,200 top sites in our Tranco top-1M census run Microsoft 365 (10.8%). 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 |
|---|---|---|---|
| nius.de | #72,509 | Adobe Fonts (Typekit), Cloudflare, Cloudflare edge/CDN + 7 more | Find emails |
| ashlink.com | #72,518 | Azure DNS, DigiCert, Google Fonts | Find emails |
| dreamlightvalleywiki.com | #72,523 | Cloudflare, Cloudflare edge/CDN, Google Trust Services | Find emails |
| #30 (Tranco) |
| Find emails |
| 5 | microsoftonline.com | #38 (Tranco) | Find emails |
| fairisaac.com |
| #72,536 |
| Drupal, Google Fonts, Google Tag Manager + 4 more |
| Find emails |
| marie-claire.es | #72,540 | Google Tag Manager, Let's Encrypt, Nginx + 3 more | Find emails |
| lifx.com | #72,547 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 9 more | Find emails |
| icr.org | #72,548 | Drupal, Google Analytics, Google Tag Manager + 3 more | Find emails |
| yokogawa.co.jp | #72,552 | Amazon CloudFront, DigiCert, Google Tag Manager + 2 more | Find emails |
| flickeringmyth.com | #72,557 | Cloudflare, Google Analytics, Google Tag Manager + 4 more | Find emails |
| delinea.com | #72,570 | Amazon Route 53, Cloudflare Bot Management, Cloudflare edge/CDN + 5 more | Find emails |
| parts-express.com | #72,582 | Cloudflare, Cloudflare edge/CDN, Google Trust Services | Find emails |
| sukurire.jp | #72,583 | AOS, Azure DNS, Google Tag Manager + 2 more | Find emails |
| sneaksup.com | #72,584 | Cloudflare, Cloudflare edge/CDN, Google Fonts + 6 more | Find emails |
| givaudan.com | #72,585 | ConsentMo, Coveo, Drupal + 6 more | Find emails |
| aquivocepode.com.br | #72,591 | Azure DNS, Google Analytics, Google Tag Manager + 1 more | Find emails |
| jolifin.de | #72,596 | Cloudflare, Cloudflare edge/CDN, Google Tag Manager + 2 more | Find emails |
| livestrong.org | #72,598 | Fastly, Let's Encrypt, New Relic + 5 more | Find emails |
| portofrotterdam.com | #72,600 | Cloudflare edge/CDN, ConsentMo, CookieYes + 3 more | Find emails |
| immunize.org | #72,613 | Cloudflare, Fastly, Font Awesome + 9 more | Find emails |
| lh360.com | #72,615 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 16 more | Find emails |
| trplus.com.tw | #72,617 | Akamai edge/CDN, Amazon Route 53, Citrix NetScaler + 4 more | Find emails |
| planeo.sk | #72,626 | Cloudflare, Cookiebot, DigiCert + 2 more | Find emails |
| edubox.pt | #72,653 | Google Fonts, Let's Encrypt, Modernizr + 1 more | Find emails |
| totogaming.ro | #72,658 | Cloudflare, Let's Encrypt | Find emails |
| hasselblad.com | #72,663 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 | 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 965,200-domain Tranco top-1M census (run top1m-2026-08-20-full), snapshot August 21, 2026. Directional, not exhaustive — fully custom or bundled stacks under-detect. Methodology →