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 |
|---|---|---|---|
| hosting.com | #24,082 | Cloudflare, Cloudflare edge/CDN, Google Trust Services + 3 more | Find emails |
| ntsb.gov | #24,093 | ASP.NET, Cloudflare, Cloudflare Bot Management + 9 more | Find emails |
| gold.ac.uk | #24,095 | Apache, Civic Cookie Control, Google Tag Manager + 1 more | Find emails |
| #30 (Tranco) |
| Find emails |
| 5 | microsoftonline.com | #38 (Tranco) | Find emails |
| greatist.com | #24,097 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 4 more | Find emails |
| deghi.it | #24,104 | Azure Front Door, Bootstrap, DigiCert + 11 more | Find emails |
| greatplacetowork.com | #24,112 | ASP.NET, AWS Lambda, Amazon (ACM) + 20 more | Find emails |
| equinix.com | #24,115 | Akamai Bot Manager, Akamai edge/CDN, Akamai mPulse + 22 more | Find emails |
| halcyon.ai | #24,133 | AWS Lambda, Cloudflare, Cloudflare edge/CDN + 8 more | Find emails |
| search-browser.com | #24,146 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 1 more | Find emails |
| insead.edu | #24,149 | Cloudflare, Cloudflare Bot Management, Cloudflare Turnstile + 2 more | Find emails |
| legislation.gov.au | #24,155 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 1 more | Find emails |
| aiaa.org | #24,160 | Azure DNS, Chart.js, Cloudflare Bot Management + 13 more | Find emails |
| absa.co.za | #24,164 | Adobe Experience Cloud (Launch), Amazon CloudFront, Apache + 13 more | Find emails |
| sidearmsports.com | #24,167 | AOS, DoubleClick (Google Ads), Google Analytics + 7 more | Find emails |
| kaseya.com | #24,175 | Azure Front Door, Google Tag Manager, Netlify + 1 more | Find emails |
| myfico.com | #24,183 | Amazon Route 53, Google Ads Conversion, Google Analytics + 7 more | Find emails |
| revize.com | #24,184 | AOS, Bootstrap, Cloudflare + 7 more | Find emails |
| blurams.com | #24,186 | Amazon Route 53, Cloudflare edge/CDN, DigiCert + 5 more | Find emails |
| hy-vee.com | #24,194 | ASP.NET, Bootstrap, Brandfolder + 16 more | Find emails |
| ancient-origins.net | #24,195 | Bootstrap, Cloudflare, Cloudflare Turnstile + 20 more | Find emails |
| autodesk360.com | #24,202 | Akamai Bot Manager, Akamai edge/CDN, Amazon Route 53 + 4 more | Find emails |
| flightstats.com | #24,205 | Amazon (ACM), Amazon Route 53, Google Analytics + 6 more | Find emails |
| renewableenergyworld.com | #24,207 | Cloudflare, Cloudflare edge/CDN, DoubleClick (Google Ads) + 7 more | Find emails |
| trackmytime.com | #24,231 | ASP.NET, Amazon (ACM), Amazon Route 53 + 1 more | Find emails |
| sandvik.com | #24,240 | Azure API Management, Cloudflare edge/CDN, Google Trust Services + 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 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 →