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 |
|---|---|---|---|
| news-medical.net | #5,497 | ASP.NET, Adobe Fonts (Typekit), Cloudflare + 9 more | Find emails |
| warwick.ac.uk | #5,501 | Adobe Fonts (Typekit), Google Tag Manager, Let's Encrypt | Find emails |
| tritondigital.com | #5,506 | DigiCert, Gatsby, Google Fonts + 2 more | Find emails |
| #30 (Tranco) |
| Find emails |
| 5 | microsoftonline.com | #38 (Tranco) | Find emails |
| autoscout24.de | #5,519 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 2 more | Find emails |
| bleacherreport.com | #5,525 | Amazon Route 53, Datadog, Fastly + 8 more | Find emails |
| medtronic.com | #5,526 | Adobe Experience Cloud (Launch), Akamai mPulse, Coveo + 5 more | Find emails |
| lu.se | #5,538 | Drupal, Font Awesome, Let's Encrypt + 2 more | Find emails |
| aerlingus.com | #5,541 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 | Find emails |
| paymaya.com | #5,551 | Amazon Route 53, Cloudflare Bot Management, Cloudflare edge/CDN + 9 more | Find emails |
| blackboard.com | #5,556 | Amazon Route 53, Google Tag Manager, Let's Encrypt + 5 more | Find emails |
| ladbrokes.com | #5,577 | Cloudflare Bot Management, Cloudflare edge/CDN, DigiCert + 4 more | Find emails |
| kcl.ac.uk | #5,580 | ASP.NET, Google Tag Manager, OneTrust + 2 more | Find emails |
| samhsa.gov | #5,581 | Azure DNS, CrazyEgg, Drupal + 3 more | Find emails |
| blueconic.net | #5,584 | Amazon Route 53, Cloudflare edge/CDN, ConsentMo + 5 more | Find emails |
| paho.org | #5,599 | Bootstrap, DigiCert, Drupal + 6 more | Find emails |
| corel.com | #5,600 | Amazon Route 53, Bootstrap, DigiCert + 3 more | Find emails |
| sgnic.sg | #5,601 | ASP.NET, AngularJS, Bootstrap + 6 more | Find emails |
| maxpreps.com | #5,603 | Fastly, NS1, Next.js + 4 more | Find emails |
| gigya.com | #5,610 | Amazon Route 53 | Find emails |
| razerzone.com | #5,619 | DigiCert, Google Analytics, Google Tag Manager + 1 more | Find emails |
| idc.com | #5,637 | Adobe Fonts (Typekit), Amazon Route 53, Font Awesome + 7 more | Find emails |
| thriftbooks.com | #5,643 | Fastly, New Relic, Osano + 3 more | Find emails |
| adobesc.com | #5,646 | Amazon Route 53 | Find emails |
| hostedrmm.com | #5,647 | Amazon Route 53 | Find emails |
| 16personalities.com | #5,648 | Cloudflare, Cloudflare edge/CDN, Google Analytics + 3 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 →