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 |
|---|---|---|---|
| acrobat.com | #2,062 | Akamai Edge DNS, Akamai edge/CDN, Amazon CloudFront + 1 more | Find emails |
| euronews.com | #2,068 | Amazon Route 53, Fastly, Google AdSense + 2 more | Find emails |
| unicef.org | #2,075 | Azure DNS, Cloudflare Bot Management, Cloudflare Web Analytics + 2 more | Find emails |
| #30 (Tranco) |
| Find emails |
| 5 | microsoftonline.com | #38 (Tranco) | Find emails |
| ed.gov | #2,079 | Akamai Edge DNS, DigiCert, Drupal + 1 more | Find emails |
| ssrn.com | #2,099 | Amazon Route 53, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| themoviedb.org | #2,107 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 5 more | Find emails |
| bls.gov | #2,116 | Bootstrap, DigiCert, Popper.js + 1 more | Find emails |
| unruly.co | #2,121 | Cloudflare Bot Management, Cloudflare edge/CDN, Google Tag Manager + 6 more | Find emails |
| ufl.edu | #2,138 | Google Fonts, WordPress, Yoast SEO | Find emails |
| acronis.com | #2,154 | Amazon Route 53, Cloudflare Bot Management, Cloudflare edge/CDN + 3 more | Find emails |
| medicalnewstoday.com | #2,157 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 4 more | Find emails |
| iponweb.net | #2,175 | DigiCert | Find emails |
| cpanel.com | #2,190 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 6 more | Find emails |
| dailymail.com | #2,191 | Akamai Bot Manager, Akamai Edge DNS, DigiCert + 2 more | Find emails |
| adsco.re | #2,195 | Sectigo | Find emails |
| variety.com | #2,204 | Amazon Route 53, Let's Encrypt, Nginx + 2 more | Find emails |
| itu.int | #2,207 | ASP.NET, Google Analytics, Google Tag Manager + 3 more | Find emails |
| xbox.com | #2,208 | Adobe Experience Cloud (Launch), Azure DNS, cdnjs + 1 more | Find emails |
| sap.com | #2,227 | Adobe Experience Cloud (Launch), Adobe Target, Akamai Bot Manager + 5 more | Find emails |
| purdue.edu | #2,231 | Adobe Fonts (Typekit), Font Awesome, Google Fonts + 3 more | Find emails |
| typekit.com | #2,234 | Amazon CloudFront, Amazon Route 53, DigiCert + 4 more | Find emails |
| datto.com | #2,241 | Akamai Edge DNS, Cloudflare Bot Management, Cloudflare edge/CDN + 5 more | Find emails |
| norton.com | #2,246 | Akamai edge/CDN, Sectigo, Adobe Experience Manager | Find emails |
| sec.gov | #2,259 | Akamai Bot Manager, Akamai Edge DNS, ConsentMo + 4 more | Find emails |
| colorado.edu | #2,279 | Akamai Edge DNS, ConsentMo, Drupal + 6 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 →