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 |
|---|---|---|---|
| palmettostatearmory.com | #7,431 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| rotowire.com | #7,438 | Cloudflare, Cloudflare edge/CDN, Cloudinary + 8 more | Find emails |
| ecobee.com | #7,454 | Amplitude, Contentful, Envoy + 7 more | Find emails |
| #30 (Tranco) |
| Find emails |
| 5 | microsoftonline.com | #38 (Tranco) | Find emails |
| edmentum.com | #7,457 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 9 more | Find emails |
| bedbathandbeyond.com | #7,458 | Akamai Bot Manager, DigiCert, NS1 + 1 more | Find emails |
| fakt.pl | #7,469 | Amazon CloudFront, DigiCert, Google AdSense + 2 more | Find emails |
| olhardigital.com.br | #7,474 | Cloudflare, Cloudflare edge/CDN, Google Analytics + 6 more | Find emails |
| brother.com | #7,487 | Amazon CloudFront, Cloudflare Bot Management, Cloudflare edge/CDN + 2 more | Find emails |
| leadsquared.com | #7,496 | Amazon Route 53, Cloudflare Bot Management, Cloudflare edge/CDN + 6 more | Find emails |
| sporza.be | #7,499 | Adobe Experience Cloud (Launch), Amazon (ACM), Amazon API Gateway + 3 more | Find emails |
| expresso.pt | #7,506 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 1 more | Find emails |
| znews.vn | #7,509 | Cloudflare, DigiCert, Google Analytics + 2 more | Find emails |
| psychcentral.com | #7,513 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 3 more | Find emails |
| slobodnadalmacija.hr | #7,516 | Bootstrap, Cloudflare, Cloudflare edge/CDN + 13 more | Find emails |
| cgg.gov.in | #7,518 | Bootstrap, DigiCert, Font Awesome + 4 more | Find emails |
| indiewire.com | #7,520 | Adobe Fonts (Typekit), Amazon Route 53, Google Tag Manager + 4 more | Find emails |
| ets.org | #7,529 | Fastly, Imperva | Find emails |
| 24ur.com | #7,536 | DigiCert, Envoy, Fastly + 2 more | Find emails |
| mackolik.com | #7,537 | ASP.NET, Fancybox, Font Awesome + 8 more | Find emails |
| steelseries.com | #7,539 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| itatiaia.com.br | #7,540 | Amazon Route 53, Criteo, Google AdSense + 9 more | Find emails |
| papy.co.jp | #7,542 | Amazon (ACM), Amazon Route 53, Google Tag Manager | Find emails |
| gcore.com | #7,551 | DigiCert, Google Tag Manager, Nginx + 1 more | Find emails |
| getresponse.com | #7,569 | Amplitude, DigiCert, Next.js + 2 more | Find emails |
| nuget.org | #7,570 | Azure DNS, Bootstrap | 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 →