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 |
|---|---|---|---|
| autodesk.com | #310 | Akamai Bot Manager, Akamai edge/CDN, Amazon CloudFront + 9 more | Find emails |
| afternic.com | #315 | Akamai Bot Manager, Contentful, Envoy + 4 more | Find emails |
| ea.com | #329 | Akamai Bot Manager, Akamai Edge DNS, DigiCert + 4 more | Find emails |
| #30 (Tranco) |
| Find emails |
| 5 | microsoftonline.com | #38 (Tranco) | Find emails |
| checkpoint.com |
| #338 |
| 6sense, Amazon CloudFront, Bootstrap + 10 more |
| Find emails |
| un.org | #343 | Amazon (ACM), Amazon CloudFront, Bootstrap + 5 more | Find emails |
| nasa.gov | #367 | Akamai Edge DNS, Google Tag Manager, Let's Encrypt + 5 more | Find emails |
| nvidia.com | #374 | Adobe Experience Cloud (Launch), DigiCert, NS1 + 3 more | Find emails |
| dailymail.co.uk | #380 | Akamai Bot Manager, Akamai Edge DNS, DigiCert + 2 more | Find emails |
| plesk.com | #381 | Cloudflare, Cloudflare edge/CDN, Google Trust Services + 1 more | Find emails |
| vivoglobal.com | #396 | DigiCert, Nginx | Find emails |
| espn.com | #425 | AWS WAF, Amazon CloudFront, Amazon Route 53 + 1 more | Find emails |
| duckduckgo.com | #437 | DigiCert, NS1, Next.js + 2 more | Find emails |
| mcafee.com | #456 | Adobe Audience Manager, Adobe Experience Cloud (Launch), Adobe Target + 7 more | Find emails |
| markmonitor.com | #518 | Cloudflare Bot Management, Cloudflare edge/CDN, DigiCert | Find emails |
| usatoday.com | #540 | Amazon Advertising, Google Publisher Tag, Let's Encrypt + 2 more | Find emails |
| oup.com | #553 | AOS, Amazon Route 53, Cloudflare Bot Management + 16 more | Find emails |
| ca.gov | #559 | Cloudflare, DigiCert, Google Analytics + 2 more | Find emails |
| cornell.edu | #563 | Adobe Fonts (Typekit), DigiCert, Google Tag Manager + 2 more | Find emails |
| rakuten.co.jp | #571 | DigiCert | Find emails |
| playstation.com | #583 | Adobe Experience Cloud (Launch), Akamai edge/CDN, Amazon Route 53 + 5 more | Find emails |
| bidswitch.net | #585 | — | Find emails |
| sagepub.com | #631 | Bootstrap, Cloudflare, DigiCert + 4 more | Find emails |
| unesco.org | #633 | Drupal, Google Tag Manager | Find emails |
| dyndns.org | #647 | Adobe Analytics, DigiCert, TrustArc + 1 more | Find emails |
| dotomi.com | #666 | Akamai Edge DNS, Amazon (ACM), Amazon CloudFront + 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 →