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 |
|---|---|---|---|
| smoothradio.com | #65,835 | AppsFlyer, DigiCert, DoubleClick (Google Ads) + 1 more | Find emails |
| ump.ac.id | #65,842 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| aiub.edu | #65,852 | ASP.NET, DigiCert, Font Awesome + 5 more | Find emails |
| #30 (Tranco) |
| Find emails |
| 5 | microsoftonline.com | #38 (Tranco) | Find emails |
| hmxservices.com | #65,862 | Cloudflare | Find emails |
| tolerance.org | #65,871 | Cloudflare Bot Management, Cloudflare edge/CDN, Foundation + 4 more | Find emails |
| aspentimes.com | #65,875 | Amazon (ACM), Amazon CloudFront, Amazon Cognito + 17 more | Find emails |
| cleverbridge.com | #65,903 | Algolia, Amazon CloudFront, Atlassian Cloud + 18 more | Find emails |
| tcichemicals.com | #65,906 | Akamai Bot Manager, Akamai Edge DNS, Akamai edge/CDN + 1 more | Find emails |
| adolfodominguez.com | #65,908 | Cloudflare edge/CDN, ConsentMo, Cookiebot + 4 more | Find emails |
| eprize.com | #65,914 | Adobe Fonts (Typekit), Apache, DigiCert + 2 more | Find emails |
| bluestoneperennials.com | #65,915 | Cloudflare, Cloudflare Bot Management, Cloudflare Turnstile + 2 more | Find emails |
| casinos.at | #65,937 | Azure Front Door, Let's Encrypt, TYPO3 | Find emails |
| bluecross.ca | #65,938 | Adobe Fonts (Typekit), Cookiebot, Fancybox + 15 more | Find emails |
| paci.gov.kw | #65,949 | — | Find emails |
| bradford.ac.uk | #65,952 | Adobe Fonts (Typekit), Amazon (ACM), Apache + 7 more | Find emails |
| cyolo.io | #65,963 | AOS, Adobe Fonts (Typekit), Amazon Route 53 + 8 more | Find emails |
| petrolprices.com | #65,969 | Bootstrap, Cloudflare, Cloudflare edge/CDN + 12 more | Find emails |
| lesmills.com | #65,972 | AWS Lambda, Cloudflare edge/CDN, Datadog + 7 more | Find emails |
| uhbvn.org.in | #65,997 | Apache, Bootstrap, Font Awesome + 7 more | Find emails |
| quigioco.it | #65,999 | Akamai edge/CDN, Bootstrap, Font Awesome + 6 more | Find emails |
| techdata.com | #66,010 | Apache, Azure DNS, Bootstrap + 4 more | Find emails |
| newstalk.com | #66,011 | Chartbeat, Cloudflare, Cloudflare edge/CDN + 7 more | Find emails |
| swisspass.ch | #66,013 | Amazon Route 53, Cloudflare Bot Management, Cloudflare Turnstile + 2 more | Find emails |
| loreal-paris.com.br | #66,016 | Azure API Management, Cloudflare, Cloudflare edge/CDN + 7 more | Find emails |
| vezess.hu | #66,018 | All in One SEO, Amazon Route 53, Nginx + 4 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 29, 2026. Directional, not exhaustive — fully custom or bundled stacks under-detect. Methodology →