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 |
|---|---|---|---|
| securedvisit.com | #6,626 | Amazon (ACM), Amazon Route 53, Amazon Web Services | Find emails |
| attheraces.com | #6,628 | Fastly, Varnish | Find emails |
| eaton.com | #6,631 | Adobe Experience Cloud (Launch), Akamai Bot Manager, Google Fonts + 3 more | Find emails |
| #30 (Tranco) |
| Find emails |
| 5 | microsoftonline.com | #38 (Tranco) | Find emails |
| teslamotors.com |
| #6,643 |
| Akamai Bot Manager, Akamai Edge DNS, DigiCert |
| Find emails |
| heraldo.es | #6,650 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 2 more | Find emails |
| turkishairlines.com | #6,659 | Akamai Bot Manager, Akamai Edge DNS, Akamai edge/CDN + 5 more | Find emails |
| discovermagazine.com | #6,662 | AWS WAF, Amazon (ACM), Amazon CloudFront | Find emails |
| consumerfinance.gov | #6,663 | Akamai Edge DNS, DigiCert, Envoy + 2 more | Find emails |
| syr.edu | #6,669 | Amazon (ACM), Amazon CloudFront, Google Tag Manager | Find emails |
| libertaddigital.com | #6,670 | Criteo, DigiCert, Google AdSense + 5 more | Find emails |
| in.gr | #6,678 | Cloudflare, Cloudflare edge/CDN, Google AdSense + 10 more | Find emails |
| mendeley.com | #6,690 | Adobe Experience Cloud (Launch), Amazon Route 53, Cloudflare Bot Management + 4 more | Find emails |
| gate.com | #6,700 | Akamai Bot Manager, Akamai mPulse, Amazon Route 53 + 7 more | Find emails |
| rd.com | #6,712 | Amazon Advertising, Cloudflare, Cloudflare Web Analytics + 11 more | Find emails |
| fussball.de | #6,715 | Adobe Experience Cloud (Launch), Amazon Route 53, DigiCert + 2 more | Find emails |
| worldwildlife.org | #6,716 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| callofduty.com | #6,725 | Akamai Edge DNS, DigiCert, Google Tag Manager + 4 more | Find emails |
| pracuj.pl | #6,737 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 4 more | Find emails |
| turbify.com | #6,756 | Amazon Route 53, DigiCert, Google Fonts + 5 more | Find emails |
| nestle.com | #6,759 | Cloudflare edge/CDN, Google Analytics, Google Tag Manager + 1 more | Find emails |
| twnic.net.tw | #6,764 | AOS, Bootstrap, Google Fonts + 5 more | Find emails |
| gambleaware.org | #6,765 | Adobe Fonts (Typekit), Cloudflare Bot Management, Cloudflare edge/CDN + 4 more | Find emails |
| biobiochile.cl | #6,771 | Azure DNS, CookieYes, DigiCert + 8 more | Find emails |
| midasbuy.com | #6,774 | DigiCert, Nginx, React | Find emails |
| ricta.org.rw | #6,776 | Font Awesome, Google Fonts, Let's Encrypt + 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 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 →