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 |
|---|---|---|---|
| portainer.io | #61,033 | Adobe Fonts (Typekit), Cloudflare, Cloudflare edge/CDN + 11 more | Find emails |
| drogal.com.br | #61,061 | Cloudflare, Let's Encrypt | Find emails |
| hazipatika.com | #61,074 | Cloudflare, Cloudflare edge/CDN, Let's Encrypt | Find emails |
| #30 (Tranco) |
| Find emails |
| 5 | microsoftonline.com | #38 (Tranco) | Find emails |
| zenithbank.com |
| #61,076 |
| Imperva |
| Find emails |
| valenet.com.br | #61,078 | Font Awesome, Google Analytics, Google Tag Manager + 5 more | Find emails |
| ine.pt | #61,079 | Nginx | Find emails |
| medialab.com | #61,089 | Azure DNS, Cloudflare edge/CDN, Google Tag Manager + 3 more | Find emails |
| topcoder.com | #61,099 | Amazon (ACM), Amazon Route 53, Amazon Web Services | Find emails |
| nask.net.pl | #61,106 | — | Find emails |
| xandr.com | #61,107 | ClickTale (Contentsquare), DigiCert, Fastly + 6 more | Find emails |
| dreambox.com | #61,110 | Amazon Route 53, Fastly, Font Awesome + 9 more | Find emails |
| entel.bo | #61,115 | Bootstrap, DigiCert, Font Awesome + 10 more | Find emails |
| ultrafarma.com.br | #61,116 | Azure DNS, Fontshare, Google Analytics + 4 more | Find emails |
| vila.com | #61,117 | Bootstrap, Cloudflare Web Analytics, Cloudflare edge/CDN + 6 more | Find emails |
| diez.hn | #61,119 | Amazon Advertising, Amazon Route 53, Google Analytics + 5 more | Find emails |
| cedo.org | #61,120 | Bootstrap, Font Awesome, Google Fonts + 7 more | Find emails |
| chuckecheese.com | #61,124 | Amazon Route 53, Cloudflare Bot Management, Cloudflare edge/CDN + 4 more | Find emails |
| cornwall.gov.uk | #61,149 | ASP.NET, Bootstrap, Font Awesome + 9 more | Find emails |
| banfield.com | #61,158 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 5 more | Find emails |
| feuvert.fr | #61,164 | DataDome, Let's Encrypt | Find emails |
| plug.it | #61,183 | Amazon Advertising, Amazon CloudFront, ConsentMo + 2 more | Find emails |
| hostinet.com | #61,189 | Google Tag Manager, Sectigo, WordPress + 1 more | Find emails |
| auda.org.au | #61,190 | Cloudflare, Cloudflare edge/CDN, Gatsby + 2 more | Find emails |
| bau.edu.jo | #61,197 | AOS, Bootstrap, Font Awesome + 3 more | Find emails |
| qbp.com | #61,201 | Adobe Fonts (Typekit), Amazon (ACM), Amazon CloudFront + 2 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 →