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 |
|---|---|---|---|
| anahuac.mx | #63,063 | AOS, Amazon (ACM), Amazon CloudFront + 12 more | Find emails |
| siviaggia.it | #63,066 | Amazon Advertising, ConsentMo, Google AdSense + 5 more | Find emails |
| ezeefiber.net | #63,068 | Google Tag Manager, Let's Encrypt, Next.js + 6 more | Find emails |
| #30 (Tranco) |
| Find emails |
| 5 | microsoftonline.com | #38 (Tranco) | Find emails |
| nts.org.uk | #63,076 | Adobe Fonts (Typekit), Cloudflare, Cloudflare edge/CDN + 5 more | Find emails |
| quakeroats.com | #63,083 | DigiCert, Google Ads Conversion, Google Analytics + 5 more | Find emails |
| lyonmag.com | #63,090 | Cloudflare, Cloudflare edge/CDN, Google Analytics + 3 more | Find emails |
| hitachivantara.com | #63,093 | Adobe Experience Cloud (Launch), Adobe Fonts (Typekit), Amazon (ACM) + 8 more | Find emails |
| bia.gov | #63,095 | Cloudflare, ConsentMo, Drupal + 3 more | Find emails |
| keyfactorpki.com | #63,097 | Adobe Fonts (Typekit), Cloudflare Bot Management, Cloudflare edge/CDN + 7 more | Find emails |
| courierpress.com | #63,105 | Amazon Advertising, Google Publisher Tag, Let's Encrypt + 2 more | Find emails |
| icgc.cat | #63,121 | Bootstrap, Drupal, Google Fonts + 4 more | Find emails |
| rina.org | #63,153 | Azure DNS, Bootstrap, GSAP + 15 more | Find emails |
| fastbridge.org | #63,155 | Amazon Route 53 | Find emails |
| astound.com | #63,156 | WordPress | Find emails |
| theday.com | #63,166 | ASP.NET, Amazon Advertising, Font Awesome + 8 more | Find emails |
| invictastores.com | #63,169 | Cloudflare, Cloudflare edge/CDN, Global-e + 9 more | Find emails |
| sportbild.de | #63,171 | DigiCert, Tealium | Find emails |
| wpbf.com | #63,178 | Amazon Advertising, Amazon Route 53, Fastly + 6 more | Find emails |
| tsc.ca | #63,186 | Akamai Edge DNS, Akamai edge/CDN, DigiCert + 1 more | Find emails |
| kickoff.com | #63,209 | AWS WAF, Amazon (ACM), Amazon CloudFront + 1 more | Find emails |
| betclic.pt | #63,211 | Amazon CloudFront, Amazon Route 53 | Find emails |
| secoloditalia.it | #63,223 | Cloudflare, Cloudflare edge/CDN, Google Tag Manager + 8 more | Find emails |
| truphone.com | #63,230 | Let's Encrypt, Netlify | Find emails |
| ccsgroup.com.au | #63,233 | Cloudflare Bot Management, Cloudflare edge/CDN, Let's Encrypt + 1 more | Find emails |
| eco-business.com | #63,239 | Amazon (ACM), Amazon Route 53, Django + 5 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 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 →