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 |
|---|---|---|---|
| 11teamsports.com | #41,845 | Cloudflare, Cloudflare Bot Management, Cloudflare Turnstile + 2 more | Find emails |
| spreadshirt.net | #41,846 | Fastly, Let's Encrypt, NS1 + 1 more | Find emails |
| gp.gov.ua | #41,858 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 4 more | Find emails |
| #30 (Tranco) |
| Find emails |
| 5 | microsoftonline.com | #38 (Tranco) | Find emails |
| plex.com | #41,878 | Akamai Edge DNS | Find emails |
| fico.com | #41,884 | Drupal, Google Fonts, Google Tag Manager + 4 more | Find emails |
| spoiledchild.com | #41,892 | Cloudflare, Cloudflare Bot Management, Cloudflare Turnstile + 2 more | Find emails |
| bidspotter.com | #41,893 | ASP.NET, Amazon (ACM), Amazon CloudFront + 17 more | Find emails |
| bandai.co.jp | #41,896 | Apache, Fancybox, Google Analytics + 4 more | Find emails |
| e3dc.com | #41,900 | Apache, Font Awesome, Let's Encrypt + 3 more | Find emails |
| urbia.de | #41,915 | Amazon Route 53, Google Tag Manager, IOAM/INFOnline + 2 more | Find emails |
| practicefusion.com | #41,920 | Adobe Audience Manager, Amazon (ACM), Amazon CloudFront + 37 more | Find emails |
| coza.net.za | #41,921 | Apache, Divi, Google Fonts + 4 more | Find emails |
| turtlebeach.com | #41,931 | Builder.io, Cloudflare edge/CDN, Google Fonts + 6 more | Find emails |
| myhomebook.de | #41,958 | Akamai Edge DNS, Let's Encrypt, Nginx + 2 more | Find emails |
| jobs.ac.uk | #41,975 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 9 more | Find emails |
| iese.edu | #41,982 | All in One SEO, Azure DNS, Bootstrap + 12 more | Find emails |
| mahafyjcadmissions.in | #41,985 | Nginx, jsDelivr, GoDaddy | Find emails |
| fox40.com | #41,992 | CSC (Digital Brand Services), Fastly, Let's Encrypt + 2 more | Find emails |
| theboltonnews.co.uk | #42,002 | Amazon Advertising, Azure DNS, Azure Front Door + 11 more | Find emails |
| thyssenkrupp.com | #42,015 | Amazon (ACM), Amazon CloudFront, Envoy + 1 more | Find emails |
| climateactiontracker.org | #42,017 | Bluesky, Google Analytics, Google Fonts + 5 more | Find emails |
| newhomesource.com | #42,023 | Let's Encrypt, NS1, PerimeterX (HUMAN) | Find emails |
| nocibe.fr | #42,025 | Akamai Bot Manager, Let's Encrypt | Find emails |
| accessacloud.com | #42,029 | Cloudflare, Cloudflare edge/CDN, ConsentMo + 5 more | Find emails |
| evergreen.edu | #42,033 | Adobe Fonts (Typekit), ConsentMo, Drupal + 8 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 25, 2026. Directional, not exhaustive — fully custom or bundled stacks under-detect. Methodology →