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 |
|---|---|---|---|
| tcu.gov.br | #62,198 | Amazon Route 53, DigiCert | Find emails |
| 4zida.rs | #62,208 | Cloudflare, Cloudflare edge/CDN, Google Tag Manager + 4 more | Find emails |
| ugc.fr | #62,213 | Bootstrap, Font Awesome, Google Cloud DNS + 7 more | Find emails |
| #30 (Tranco) |
| Find emails |
| 5 | microsoftonline.com | #38 (Tranco) | Find emails |
| #62,215 |
| Bootstrap, Citrix NetScaler, DigiCert + 4 more |
| Find emails |
| cancercenter.com | #62,216 | Amazon Route 53, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| euroinvestor.dk | #62,230 | Amazon Route 53, Cloudflare edge/CDN, Google Publisher Tag + 4 more | Find emails |
| kisalfold.hu | #62,232 | Cloudflare, Cloudflare edge/CDN, Google AdSense + 2 more | Find emails |
| kurzweilai.net | #62,235 | Cloudflare, Cloudflare edge/CDN, Google Trust Services + 4 more | Find emails |
| jtl-software.com | #62,236 | Cloudflare edge/CDN, DigiCert, Google Tag Manager + 3 more | Find emails |
| brastemp.com.br | #62,237 | Amazon CloudFront, Google Tag Manager, Let's Encrypt + 4 more | Find emails |
| corren.se | #62,244 | — | Find emails |
| ighome.com | #62,252 | ASP.NET, Google Analytics, Google Publisher Tag + 2 more | Find emails |
| ehi.com | #62,268 | Adobe Audience Manager, Adobe Experience Cloud (Launch), Adobe Fonts (Typekit) + 8 more | Find emails |
| currys.ie | #62,269 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| green-acres.com | #62,279 | Google Tag Manager | Find emails |
| metropolismag.com | #62,307 | Cloudflare, Cloudflare edge/CDN, Google Publisher Tag + 6 more | Find emails |
| petrolimex.com.vn | #62,327 | Bootstrap, Chart.js, Fancybox + 10 more | Find emails |
| cnas.org | #62,328 | Adobe Fonts (Typekit), Cloudflare, Cloudflare edge/CDN + 4 more | Find emails |
| viu.ca | #62,352 | ConsentMo, Drupal, Fastly + 2 more | Find emails |
| txst.edu | #62,364 | Font Awesome, Google Analytics, Google Tag Manager + 4 more | Find emails |
| phrma.org | #62,370 | Google Tag Manager, OneTrust | Find emails |
| build.com | #62,375 | Akamai Bot Manager, Akamai edge/CDN, DigiCert + 1 more | Find emails |
| usatf.org | #62,378 | ASP.NET, Google Tag Manager, Lucky Orange + 3 more | Find emails |
| metrocuadrado.com | #62,386 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 5 more | Find emails |
| fourth.com | #62,395 | Adobe Fonts (Typekit), Amazon Route 53, Cloudflare Bot Management + 9 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 →