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 |
|---|---|---|---|
| autodesk.com | #310 | Akamai Bot Manager, Akamai edge/CDN, Amazon CloudFront + 9 more | Find emails |
| afternic.com | #315 | Adyen, Akamai Bot Manager, Akamai edge/CDN + 24 more | Find emails |
| checkpoint.com | #338 | 6sense, AWS WAF, AddToAny + 18 more | Find emails |
| #30 (Tranco) |
| Find emails |
| 5 | microsoftonline.com | #38 (Tranco) | Find emails |
| un.org | #343 | Amazon (ACM), Amazon CloudFront, Apache + 6 more | Find emails |
| nasa.gov | #367 | Akamai Edge DNS, Google Tag Manager, Let's Encrypt + 7 more | Find emails |
| nvidia.com | #374 | Adobe Experience Cloud (Launch), Apache, DigiCert + 4 more | Find emails |
| dailymail.co.uk | #380 | Akamai Bot Manager, Akamai Edge DNS, Akamai edge/CDN + 6 more | Find emails |
| plesk.com | #381 | Cloudflare, Cloudflare edge/CDN, Elementor + 4 more | Find emails |
| tp-link.com | #385 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 3 more | Find emails |
| vivoglobal.com | #396 | Alibaba Cloud DNS, DigiCert, Nginx | Find emails |
| espn.com | #425 | AWS WAF, Amazon CloudFront, Amazon Route 53 + 2 more | Find emails |
| duckduckgo.com | #437 | DigiCert, NS1, Next.js + 2 more | Find emails |
| mcafee.com | #456 | Adobe Advertising Cloud, Adobe Audience Manager, Adobe Experience Cloud (Launch) + 9 more | Find emails |
| markmonitor.com | #518 | Cloudflare Bot Management, Cloudflare Turnstile, Cloudflare edge/CDN + 1 more | Find emails |
| usatoday.com | #540 | Amazon Advertising, Confiant, Criteo + 7 more | Find emails |
| oup.com | #553 | AOS, Amazon CloudFront, Amazon Route 53 + 22 more | Find emails |
| ca.gov | #559 | ASP.NET, AddToAny, Azure Front Door + 10 more | Find emails |
| cornell.edu | #563 | AddToAny, Adobe Fonts (Typekit), Azure Front Door + 16 more | Find emails |
| rakuten.co.jp | #571 | Akamai Bot Manager, Akamai edge/CDN, Apache + 2 more | Find emails |
| playstation.com | #583 | Adobe Experience Cloud (Launch), Akamai edge/CDN, Amazon Route 53 + 9 more | Find emails |
| bidswitch.net | #585 | — | Find emails |
| sagepub.com | #631 | ASP.NET, Bootstrap, Cloudflare + 13 more | Find emails |
| unesco.org | #633 | — | Find emails |
| dyndns.org | #647 | Adobe Analytics, Apache, DigiCert + 2 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 1,000,000-domain Tranco top-1M census (run top1m-2026-08-25-full-v2), snapshot August 29, 2026. Directional, not exhaustive — fully custom or bundled stacks under-detect. Methodology →