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 |
|---|---|---|---|
| rocketcyber.com | #11,764 | Amazon Route 53, Astro, Google Tag Manager + 2 more | Find emails |
| mta.info | #11,784 | Akamai Edge DNS, Akamai edge/CDN, Drupal + 8 more | Find emails |
| libbyapp.com | #11,788 | Amazon CloudFront, Amazon Route 53, Google Trust Services + 2 more | Find emails |
| #30 (Tranco) |
| Find emails |
| 5 | microsoftonline.com | #38 (Tranco) | Find emails |
| auspost.com.au | #11,792 | Adobe Experience Cloud (Launch), Amazon CloudFront, Amazon Route 53 + 3 more | Find emails |
| konami.com | #11,793 | Akamai Edge DNS, DigiCert, jQuery | Find emails |
| captioncall.com | #11,794 | Amazon Route 53, Cloudflare Bot Management, Cloudflare edge/CDN + 5 more | Find emails |
| fanatics.com | #11,795 | Akamai Edge DNS, DigiCert, Google Analytics + 1 more | Find emails |
| gate.io | #11,805 | Akamai Bot Manager, Akamai mPulse, Amazon Route 53 + 7 more | Find emails |
| usask.ca | #11,806 | DigiCert, Google Tag Manager | Find emails |
| fastretailing.com | #11,815 | Amazon Route 53, DigiCert, Google Analytics + 2 more | Find emails |
| varonis.io | #11,818 | Azure DNS, Cloudflare Bot Management, Cloudflare edge/CDN + 5 more | Find emails |
| uni-lj.si | #11,832 | Let's Encrypt, Matomo, Nginx + 1 more | Find emails |
| wur.nl | #11,834 | Akamai mPulse, Drupal, Google Tag Manager + 2 more | Find emails |
| nc.gov | #11,840 | Amazon (ACM), Amazon CloudFront, Bootstrap + 7 more | Find emails |
| guitarcenter.com | #11,841 | Akamai Bot Manager, Akamai Edge DNS, DigiCert | Find emails |
| atlanticcouncil.org | #11,863 | Cloudflare, Fastly, Let's Encrypt + 6 more | Find emails |
| iheartmedia.com | #11,871 | AppsFlyer, DigiCert, Google Tag Manager | Find emails |
| env.go.jp | #11,873 | Azure DNS, DigiCert, Slick Carousel + 1 more | Find emails |
| nic.cr | #11,879 | DigiCert, Google AdSense, Google Fonts + 3 more | Find emails |
| sprint.com | #11,883 | Adobe Experience Cloud (Launch), Akamai Bot Manager, Akamai Edge DNS + 5 more | Find emails |
| solaredge.com | #11,884 | Amazon Route 53, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| timesunion.com | #11,891 | Fastly, Google Publisher Tag, New Relic + 4 more | Find emails |
| ccleaner.com | #11,903 | Adobe Experience Cloud (Launch), Akamai mPulse, Amazon Route 53 + 9 more | Find emails |
| feefo.com | #11,922 | AOS, Cloudflare, Cloudflare Bot Management + 5 more | Find emails |
| adb.org | #11,924 | Akamai Edge DNS, Cloudflare Bot Management, Cloudflare edge/CDN | 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 →