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 |
|---|---|---|---|
| biogen.com | #64,678 | Adobe Fonts (Typekit), Amazon (ACM), Amazon Route 53 + 7 more | Find emails |
| shopping-charm.jp | #64,679 | Cloudflare edge/CDN, Google Trust Services | Find emails |
| portaldaindustria.com.br | #64,682 | — | Find emails |
| #30 (Tranco) |
| Find emails |
| 5 | microsoftonline.com | #38 (Tranco) | Find emails |
| tec.ac.cr |
| #64,701 |
| Azure DNS, Drupal, Google Tag Manager + 2 more |
| Find emails |
| ambrahealth.com | #64,704 | Amazon Route 53, Cloudflare Bot Management, Cloudflare edge/CDN + 10 more | Find emails |
| rushbet.co | #64,715 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 3 more | Find emails |
| hogent.be | #64,728 | Bootstrap, Cookiebot, Fancybox + 8 more | Find emails |
| mondialtissus.fr | #64,735 | Let's Encrypt, New Relic, Webpack | Find emails |
| isp.hu | #64,741 | — | Find emails |
| santillana.es | #64,745 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 | Find emails |
| standrews.com.au | #64,751 | Font Awesome, Google Fonts, Google Tag Manager + 2 more | Find emails |
| znu.edu.ua | #64,755 | Azure DNS, Bootstrap, Font Awesome + 4 more | Find emails |
| elle.pl | #64,756 | Adobe Fonts (Typekit), Google Analytics, Google Publisher Tag + 2 more | Find emails |
| ohiohistory.org | #64,764 | Bootstrap, Cloudflare, Cloudflare Bot Management + 9 more | Find emails |
| madesa.com | #64,767 | Amazon Route 53, Cloudflare edge/CDN, Google Tag Manager + 3 more | Find emails |
| amcnetworks.com | #64,768 | Google Analytics, Google Tag Manager, Let's Encrypt + 4 more | Find emails |
| icecream.com | #64,771 | Adobe Experience Cloud (Launch), Adobe Fonts (Typekit), Bazaarvoice + 8 more | Find emails |
| usim.edu.my | #64,779 | Font Awesome, Sectigo, WordPress + 1 more | Find emails |
| spacecoastdaily.com | #64,793 | Bunny Fonts, Cloudflare Bot Management, Cloudflare edge/CDN + 10 more | Find emails |
| thv11.com | #64,801 | Akamai Bot Manager, Amazon Route 53, Let's Encrypt | Find emails |
| guinness.com | #64,804 | CSC (Digital Brand Services), Contentful, Let's Encrypt + 4 more | Find emails |
| kinky.nl | #64,815 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| ruroc.com | #64,817 | Cloudflare, Cloudflare edge/CDN, Fastly + 3 more | Find emails |
| copart.co.uk | #64,837 | FullStory, Google Fonts, Imperva + 2 more | Find emails |
| schoolcashonline.com | #64,846 | Imperva, Sectigo, GoDaddy | 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 →