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 |
|---|---|---|---|
| uwmedicine.org | #31,769 | ASP.NET, Akamai edge/CDN, Akamai mPulse + 8 more | Find emails |
| pressandjournal.co.uk | #31,798 | Cloudflare Bot Management, Cloudflare Turnstile, Cloudflare edge/CDN + 1 more | Find emails |
| diariodesevilla.es | #31,800 | Amazon CloudFront, Didomi, Google Tag Manager | Find emails |
| #30 (Tranco) |
| Find emails |
| 5 | microsoftonline.com | #38 (Tranco) | Find emails |
| axeda.com | #31,807 | Akamai edge/CDN, Akamai mPulse, Amazon Route 53 + 12 more | Find emails |
| anadolu.edu.tr | #31,810 | CKEditor, Google Analytics, Google Hosted Libraries + 10 more | Find emails |
| elnuevodia.com | #31,811 | Akamai edge/CDN, Let's Encrypt, OpenResty | Find emails |
| op.fi | #31,819 | Adobe Analytics, Adobe Audience Manager, Adobe Target + 3 more | Find emails |
| giants-software.com | #31,820 | Apache, jQuery | Find emails |
| nyctourism.com | #31,828 | Adobe Experience Cloud (Launch), Amazon (ACM), Amazon CloudFront + 8 more | Find emails |
| resellerratings.com | #31,831 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 5 more | Find emails |
| playticorp.com | #31,833 | Amazon Route 53 | Find emails |
| gedidigital.it | #31,837 | Amazon Route 53 | Find emails |
| elal.com | #31,840 | Akamai edge/CDN, Akamai mPulse, DigiCert + 2 more | Find emails |
| breakingnews.ie | #31,852 | Cloudflare, Cloudflare edge/CDN, Google Trust Services | Find emails |
| gi-de.com | #31,857 | Cloudflare edge/CDN, HubSpot, TYPO3 + 1 more | Find emails |
| hostingberry.com | #31,871 | Cloudflare edge/CDN, Font Awesome, Google Analytics + 5 more | Find emails |
| piedmont.org | #31,876 | ASP.NET, DigiCert, Next.js + 5 more | Find emails |
| myabsorb.com | #31,892 | Amazon (ACM), Amazon Route 53 | Find emails |
| pontofrio.com.br | #31,893 | Akamai Edge DNS, DigiCert, bit.ly | Find emails |
| prensalibre.com | #31,897 | Amazon Route 53, Let's Encrypt, Nginx + 3 more | Find emails |
| chambermaster.com | #31,902 | — | Find emails |
| ashampoo.com | #31,910 | Amazon (ACM), Amazon Route 53, Criteo + 5 more | Find emails |
| cultura.gov.br | #31,911 | Font Awesome, Google Tag Manager, Meta Pixel + 5 more | Find emails |
| ign.fr | #31,912 | Drupal, Fastly, Let's Encrypt + 1 more | Find emails |
| houseoffraser.co.uk | #31,915 | Akamai Bot Manager, Akamai Edge DNS, Akamai edge/CDN + 8 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 →