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 |
|---|---|---|---|
| pinnacle.com | #43,837 | Cloudflare, Cloudflare edge/CDN, Google Fonts + 4 more | Find emails |
| bluradio.com | #43,840 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 1 more | Find emails |
| renaud-bray.com | #43,843 | ASP.NET, Akamai edge/CDN, Akamai mPulse + 5 more | Find emails |
| #30 (Tranco) |
| Find emails |
| 5 | microsoftonline.com | #38 (Tranco) | Find emails |
| aktion-mensch.de | #43,859 | Azure Front Door, Next.js, Tealium + 2 more | Find emails |
| helsenorge.no | #43,871 | Azure API Management, Azure Front Door, DigiCert + 1 more | Find emails |
| churchofengland.org | #43,878 | Amazon CloudFront, Civic Cookie Control, Cloudflare edge/CDN + 10 more | Find emails |
| olivetree.com | #43,886 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 5 more | Find emails |
| kcell.kz | #43,888 | Next.js, Nginx, Sectigo + 1 more | Find emails |
| fastcloud.ge | #43,897 | Apache, Cloudflare, Font Awesome + 4 more | Find emails |
| qiwa.sa | #43,900 | — | Find emails |
| gainesville.com | #43,910 | Amazon Advertising, Confiant, Criteo + 7 more | Find emails |
| hellyhansen.com | #43,913 | CSC (Digital Brand Services), DataDome, Fastly + 1 more | Find emails |
| washburn.edu | #43,916 | AddThis, Apache, Bluesky + 13 more | Find emails |
| libreriauniversitaria.it | #43,920 | Google Cloud DNS, Google Identity Services, Nginx + 1 more | Find emails |
| diw.de | #43,927 | Apache | Find emails |
| bigpoint.com | #43,934 | Amazon Route 53, Google Tag Manager, Modernizr + 4 more | Find emails |
| vertitecnologia.com.br | #43,944 | Amazon Route 53, Bootstrap, GSAP + 8 more | Find emails |
| cbsaustin.com | #43,951 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 8 more | Find emails |
| rec1.com | #43,955 | — | Find emails |
| lofty.com | #43,959 | Amazon Route 53, ChatGPT Ads Pixel, Cloudflare Bot Management + 19 more | Find emails |
| cgu.edu.tw | #43,962 | AOS, ASP.NET, Blogger + 5 more | Find emails |
| appliancesdirect.co.uk | #43,966 | ASP.NET, Adobe Fonts (Typekit), Afterpay + 9 more | Find emails |
| euroclear.com | #43,972 | Cloudflare Bot Management, Cloudflare edge/CDN, Google Trust Services | Find emails |
| vertexsmb.com | #43,980 | Amazon Route 53, Drupal, Fastly + 6 more | Find emails |
| ncleg.gov | #43,982 | Azure API Management, Bootstrap, Cloudflare + 9 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 →