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 |
|---|---|---|---|
| textron.com | #48,946 | ASP.NET, Amazon CloudFront, Amazon S3 + 13 more | Find emails |
| edpsciences.org | #48,948 | Bluesky, Google Analytics, Google Fonts + 7 more | Find emails |
| files-editor.com | #48,952 | Cloudflare, Cloudflare edge/CDN, Google Tag Manager + 4 more | Find emails |
| #30 (Tranco) |
| Find emails |
| 5 | microsoftonline.com | #38 (Tranco) | Find emails |
| watsons.com.my | #48,954 | Akamai Bot Manager, Akamai Edge DNS, Akamai edge/CDN + 2 more | Find emails |
| babylon.com | #48,959 | GoDaddy | Find emails |
| toto.nl | #48,969 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 2 more | Find emails |
| cws.org.au | #48,991 | Apache, Fastly, Varnish + 2 more | Find emails |
| bahnhof.de | #48,995 | Let's Encrypt, Matomo, Next.js + 1 more | Find emails |
| iitg.ac.in | #49,015 | Bootstrap, DigiCert, Font Awesome + 8 more | Find emails |
| nku.edu | #49,020 | Amazon (ACM), Amazon CloudFront, Apache + 5 more | Find emails |
| relaxg.com | #49,023 | Amazon Route 53 | Find emails |
| naceweb.org | #49,024 | ASP.NET, Adobe Fonts (Typekit), Bluesky + 11 more | Find emails |
| akasaair.com | #49,027 | Amazon (ACM), Amazon CloudFront, GoDaddy | Find emails |
| canto.com | #49,031 | DigiCert, Google Tag Manager, Netlify + 2 more | Find emails |
| xodo.com | #49,038 | Adobe Fonts, Adobe Fonts (Typekit), Amazon (ACM) + 8 more | Find emails |
| jcom.co.jp | #49,053 | Cloudflare edge/CDN, Google Fonts, Google Tag Manager + 6 more | Find emails |
| digital-watchdog.com | #49,056 | AOS, Apache, Bootstrap + 14 more | Find emails |
| fusion.net | #49,057 | Amazon Route 53 | Find emails |
| companycasuals.com | #49,061 | Let's Encrypt | Find emails |
| einforma.com | #49,070 | AOS, DigiCert, DoubleClick (Google Ads) + 5 more | Find emails |
| discoverlosangeles.com | #49,084 | Drupal, Fastly, Google Tag Manager + 7 more | Find emails |
| tohoku-epco.co.jp | #49,088 | Apache, Google Fonts, Google Hosted Libraries + 4 more | Find emails |
| ssga.com | #49,089 | Adobe Experience Cloud (Launch), DigiCert, DoubleClick (Google Ads) + 8 more | Find emails |
| teladochealth.com | #49,104 | Bizible, Cloudflare, Cloudflare edge/CDN + 6 more | Find emails |
| iscte-iul.pt | #49,115 | ASP.NET, Apache, Bootstrap + 10 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 →