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 |
|---|---|---|---|
| nb.no | #46,165 | ConsentMo, Cookiebot, Google Tag Manager + 4 more | Find emails |
| bancobmg.com.br | #46,168 | Adobe Experience Cloud (Launch), Akamai edge/CDN, Akamai mPulse + 18 more | Find emails |
| mindray.com | #46,174 | Amazon CloudFront, Apache, DigiCert + 5 more | Find emails |
| #30 (Tranco) |
| Find emails |
| 5 | microsoftonline.com | #38 (Tranco) | Find emails |
| wissenschaft.de | #46,180 | Consentmanager.net, Google Fonts, Google Tag Manager + 6 more | Find emails |
| flagstar.com | #46,188 | Cloudflare, Cloudflare Bot Management, Cloudflare Turnstile + 2 more | Find emails |
| silencershop.com | #46,189 | Amazon CloudFront, Let's Encrypt, Magento + 3 more | Find emails |
| teletalk.com.bd | #46,192 | — | Find emails |
| merinfo.se | #46,198 | Adnami, Cloudflare, Cloudflare Turnstile + 8 more | Find emails |
| posta.com.tr | #46,199 | ASP.NET, Amazon Route 53, Blockthrough + 7 more | Find emails |
| foundationcenter.org | #46,208 | Amazon Route 53, Cloudflare Bot Management, Cloudflare edge/CDN + 8 more | Find emails |
| ccv.eu | #46,220 | Cloudflare, Cookiebot, Drupal + 6 more | Find emails |
| americanmuscle.com | #46,227 | ASP.NET, Affirm, Cloudflare + 15 more | Find emails |
| interrail.eu | #46,230 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 3 more | Find emails |
| cstorepro.com | #46,232 | ASP.NET, Amazon (ACM), Amazon CloudFront + 17 more | Find emails |
| osthessen-news.de | #46,234 | Bootstrap, Cloudflare, Cloudflare Turnstile + 16 more | Find emails |
| rd.nl | #46,239 | Let's Encrypt | Find emails |
| ausopen.com | #46,247 | Cloudflare, Drupal, Fastly + 2 more | Find emails |
| juridicas.com | #46,250 | Azure DNS | Find emails |
| echo-news.co.uk | #46,253 | Amazon Advertising, Azure DNS, Azure Front Door + 11 more | Find emails |
| omroep.nl | #46,264 | ASP.NET, Amazon (ACM), Amazon CloudFront + 4 more | Find emails |
| psychplus.com | #46,292 | CDN Fonts, Cloudflare, Cloudflare edge/CDN + 5 more | Find emails |
| rebates.jp | #46,293 | Amazon Route 53, DigiCert, Nginx + 1 more | Find emails |
| u-pec.fr | #46,303 | Matomo, Nginx | Find emails |
| wdsu.com | #46,313 | Amazon Advertising, Amazon Route 53, Casale Media + 15 more | Find emails |
| charleskeith.com | #46,340 | Amazon Route 53, Amplitude, Cloudflare edge/CDN + 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 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 →