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 |
|---|---|---|---|
| clipp.com | #67,441 | Akamai mPulse, Amazon Route 53, DigiCert + 5 more | Find emails |
| atm.it | #67,448 | ASP.NET, Akamai Edge DNS, DigiCert + 3 more | Find emails |
| apotheken.de | #67,451 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 2 more | Find emails |
| #30 (Tranco) |
| Find emails |
| 5 | microsoftonline.com | #38 (Tranco) | Find emails |
| casinogranmadridonline.es |
| #67,454 |
| Cloudflare, Cloudflare edge/CDN, Google Trust Services |
| Find emails |
| univesp.br | #67,457 | Cloudflare, Cloudflare edge/CDN, Google Trust Services | Find emails |
| farmaciasdirect.es | #67,462 | Cloudflare, Cloudflare edge/CDN, Cookiebot + 4 more | Find emails |
| heartandstroke.ca | #67,469 | DigiCert, Google Tag Manager, Meta Pixel + 2 more | Find emails |
| icbc.com | #67,472 | Adobe Fonts (Typekit), Cloudflare, Cloudflare edge/CDN + 7 more | Find emails |
| precisely.com | #67,473 | Amazon Route 53, Cloudflare Bot Management, Cloudflare edge/CDN + 11 more | Find emails |
| ysroad.co.jp | #67,477 | Font Awesome, Google Analytics, Google Fonts + 9 more | Find emails |
| alfa.lt | #67,481 | Cloudflare, Cloudflare edge/CDN, Let's Encrypt | Find emails |
| q2ebanking.com | #67,482 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 7 more | Find emails |
| bluebrixx.com | #67,491 | Bootstrap, Cloudflare, Cloudflare edge/CDN + 4 more | Find emails |
| synottip.cz | #67,494 | Cookiebot, Google Tag Manager, Meta Pixel + 1 more | Find emails |
| randomhouse.de | #67,507 | DigiCert, Nginx | Find emails |
| generali.fr | #67,512 | CSC (Digital Brand Services), Drupal, Google Fonts + 2 more | Find emails |
| cfp.net | #67,522 | Cloudflare, Cloudflare Turnstile, Cloudflare edge/CDN + 6 more | Find emails |
| nn.nl | #67,528 | Adobe Experience Cloud (Launch), Akamai Edge DNS, DigiCert + 2 more | Find emails |
| tvsyd.dk | #67,536 | Fastly, JW Player, Let's Encrypt + 3 more | Find emails |
| euromoney.com | #67,540 | Amazon CloudFront, Azure DNS, CookieYes + 5 more | Find emails |
| fightful.com | #67,550 | Cloudflare, Cloudflare edge/CDN, Font Awesome + 7 more | Find emails |
| soilassociation.org | #67,555 | Cloudflare Bot Management, Cloudflare edge/CDN, Google Tag Manager + 2 more | Find emails |
| spapi.io | #67,561 | Google Cloud DNS | Find emails |
| colisprive.com | #67,562 | Amazon Route 53, Google Fonts, Google Tag Manager + 5 more | Find emails |
| qare.fr | #67,567 | Amazon Route 53, Google Tag Manager, Let's Encrypt + 1 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 →