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 |
|---|---|---|---|
| veiliginternetten.nl | #70,658 | DigiCert, Google Fonts, Nginx | Find emails |
| h2g2.com | #70,665 | Cloudflare, Cloudflare Web Analytics, Cloudflare edge/CDN + 5 more | Find emails |
| mansourlawyers.com.au | #70,670 | Let's Encrypt, Nginx, Underscore.js + 4 more | Find emails |
| #30 (Tranco) |
| Find emails |
| 5 | microsoftonline.com | #38 (Tranco) | Find emails |
| tribute.ca | #70,707 | Cloudflare, Cloudflare edge/CDN, Google Trust Services | Find emails |
| apiture.com | #70,716 | Amazon Route 53, Cloudflare Bot Management, Cloudflare edge/CDN + 9 more | Find emails |
| pothys.com | #70,720 | Axios, Cloudflare, Cloudflare edge/CDN + 10 more | Find emails |
| belmont.edu | #70,725 | Adobe Fonts (Typekit), Amazon CloudFront, Amazon Route 53 + 3 more | Find emails |
| cellufun.com | #70,731 | Amazon Route 53 | Find emails |
| acdsystems.com | #70,739 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 8 more | Find emails |
| fldfs.com | #70,780 | — | Find emails |
| digitalnc.org | #70,799 | Bootstrap, Font Awesome, Google Tag Manager + 5 more | Find emails |
| ohioattorneygeneral.gov | #70,814 | ASP.NET, Google Analytics, Google Tag Manager + 1 more | Find emails |
| viridianglass.com | #70,819 | AOS, Adobe Fonts (Typekit), Cloudflare + 15 more | Find emails |
| baplc.com | #70,829 | Akamai Edge DNS, Akamai edge/CDN | Find emails |
| sago.com | #70,832 | Bootstrap, Cloudflare, Cloudflare edge/CDN + 9 more | Find emails |
| lejournaldelamaison.fr | #70,833 | Cloudflare, Cloudflare edge/CDN, Google Tag Manager + 4 more | Find emails |
| qualitymedianetwork.de | #70,837 | Intercom, Let's Encrypt, Netlify | Find emails |
| onatera.com | #70,838 | Cloudflare, Cloudflare edge/CDN, Google Trust Services | Find emails |
| pucpr.br | #70,841 | Cloudflare, Cloudflare edge/CDN, Google Tag Manager + 9 more | Find emails |
| tjse.jus.br | #70,859 | — | Find emails |
| pizzahut.jp | #70,860 | Akamai Bot Manager, Amazon CloudFront, Amazon Route 53 + 4 more | Find emails |
| volet.com | #70,863 | Cloudflare, Cloudflare edge/CDN, Google Trust Services + 2 more | Find emails |
| gmopg.jp | #70,866 | — | Find emails |
| longandfoster.com | #70,876 | Cloudflare Bot Management, Cloudflare edge/CDN, Google Trust Services + 1 more | Find emails |
| traumasoft.com | #70,884 | Font Awesome, Google Analytics, Google Fonts + 7 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 →