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 |
|---|---|---|---|
| mercadocar.com.br | #68,209 | New Relic, Sectigo, Webpack | Find emails |
| rheem.com | #68,223 | Amazon Route 53, Cookiebot, DigiCert + 8 more | Find emails |
| cruzverde.com.co | #68,231 | Amazon CloudFront, Google Analytics, Google Tag Manager + 3 more | Find emails |
| #30 (Tranco) |
| Find emails |
| 5 | microsoftonline.com | #38 (Tranco) | Find emails |
| 123inkt.nl |
| #68,233 |
| Google Ads Conversion, Google Analytics, Google Tag Manager + 5 more |
| Find emails |
| nic.stream | #68,236 | — | Find emails |
| myclimate.org | #68,244 | Google Tag Manager, Let's Encrypt, Nginx + 2 more | Find emails |
| siemensgamesa.com | #68,246 | Adobe Experience Cloud (Launch), Amazon (ACM), Amazon CloudFront + 3 more | Find emails |
| playabets.co.za | #68,261 | Cloudflare, Cloudflare edge/CDN, Google Trust Services | Find emails |
| nas.lv | #68,266 | — | Find emails |
| pacificlife.com | #68,270 | Adobe Experience Cloud (Launch), DigiCert, Fastly + 4 more | Find emails |
| davidyurman.com | #68,277 | AB Tasty, Adobe Fonts (Typekit), Botify + 8 more | Find emails |
| aaup.org | #68,282 | Adobe Fonts (Typekit), Cloudflare, Cloudflare edge/CDN + 7 more | Find emails |
| ctlottery.org | #68,296 | ASP.NET, Adobe Fonts (Typekit), Bootstrap + 11 more | Find emails |
| hu.nl | #68,298 | Cloudinary, Google Tag Manager, imgix + 1 more | Find emails |
| armstrongceilings.com | #68,304 | Adobe Experience Cloud (Launch), Cloudflare, Cloudflare edge/CDN + 3 more | Find emails |
| emu.edu.tr | #68,315 | Bootstrap, Font Awesome, Google Analytics + 5 more | Find emails |
| verointernet.com.br | #68,320 | Google Analytics, Google Tag Manager, Microsoft Clarity | Find emails |
| scan.page | #68,321 | Cloudflare, Cloudflare Web Analytics, Cloudflare edge/CDN + 2 more | Find emails |
| dooprime.com | #68,323 | Amazon Route 53, Cloudflare edge/CDN, Google Fonts + 2 more | Find emails |
| kone.cn | #68,347 | ASP.NET, Adobe Experience Cloud (Launch), DigiCert + 3 more | Find emails |
| reutlingen-university.de | #68,361 | Cookiebot, Google Fonts, Matomo + 2 more | Find emails |
| bluera.com | #68,372 | Azure DNS | Find emails |
| autovisie.nl | #68,390 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 7 more | Find emails |
| fivb.com | #68,392 | Bootstrap, Cloudflare, Cloudflare edge/CDN + 5 more | Find emails |
| blackdiamondequipment.com | #68,393 | Cloudflare edge/CDN, Let's Encrypt, Namecheap + 2 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 →