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 |
|---|---|---|---|
| chla.org | #61,781 | Amazon Route 53, Cloudflare edge/CDN, Google Trust Services | Find emails |
| eposaudio.com | #61,786 | Azure DNS, Cloudflare edge/CDN, LinkedIn Insight Tag + 6 more | Find emails |
| bizportal.co.il | #61,787 | Cloudflare, Cloudflare edge/CDN, Google Analytics + 6 more | Find emails |
| #30 (Tranco) |
| Find emails |
| 5 | microsoftonline.com | #38 (Tranco) | Find emails |
| bdxworld.com | #61,789 | Font Awesome, Google Fonts, Sectigo + 3 more | Find emails |
| leaflets.schwarz | #61,799 | — | Find emails |
| mailinblack.com | #61,800 | Font Awesome, Google Tag Manager, WordPress + 2 more | Find emails |
| cgrcinemas.fr | #61,832 | Gatsby, Let's Encrypt, Netlify + 2 more | Find emails |
| hollandbikeshop.com | #61,835 | Cloudflare, Cloudflare edge/CDN, Google Trust Services | Find emails |
| mrc.ac.uk | #61,837 | Amazon (ACM), Azure DNS, Google Tag Manager + 1 more | Find emails |
| a12.com | #61,839 | Amazon Route 53, Google Ads Conversion, Google Analytics + 3 more | Find emails |
| notino.sk | #61,847 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| freeview.co.uk | #61,855 | Cloudflare, Cloudflare Web Analytics, Cloudflare edge/CDN + 9 more | Find emails |
| echo.net.uk | #61,863 | — | Find emails |
| euronews.net | #61,870 | Amazon Route 53, Fastly | Find emails |
| truendo.com | #61,873 | Amazon Route 53, Let's Encrypt, Next.js + 2 more | Find emails |
| deejay.it | #61,875 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 3 more | Find emails |
| emergenresearch.com | #61,900 | Cloudflare, Cloudflare edge/CDN, Google Analytics + 6 more | Find emails |
| barbora.lt | #61,907 | Cloudflare, Cloudflare Web Analytics, Cloudflare edge/CDN + 9 more | Find emails |
| untsystem.edu | #61,908 | Adobe Fonts (Typekit), Bootstrap, Font Awesome + 3 more | Find emails |
| helpforsmartphone.com | #61,921 | Cloudflare, Cloudflare edge/CDN, Google Trust Services | Find emails |
| lh.net | #61,937 | — | Find emails |
| domiporta.pl | #61,948 | Amazon Route 53, Cookiebot, Google Tag Manager + 4 more | Find emails |
| embedded.com | #61,962 | Akamai Bot Manager, Akamai mPulse, DigiCert + 6 more | Find emails |
| sbilife.co.in | #61,965 | Akamai edge/CDN, Bootstrap, Cloudflare + 6 more | Find emails |
| eduzz.com | #61,977 | Amazon Route 53, Cloudflare edge/CDN, Google Fonts + 4 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 →