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 |
|---|---|---|---|
| etrade.com | #4,468 | Adobe Experience Cloud (Launch), Akamai Bot Manager, Akamai edge/CDN + 6 more | Find emails |
| lastampa.it | #4,472 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 4 more | Find emails |
| terabox.com | #4,476 | Amazon Route 53, DigiCert, Google Analytics + 6 more | Find emails |
| #30 (Tranco) |
| Find emails |
| 5 | microsoftonline.com | #38 (Tranco) | Find emails |
| ap.org | #4,503 | Akamai Edge DNS, AppNexus (Xandr), Cloudflare Bot Management + 9 more | Find emails |
| kompas.com | #4,505 | AWS WAF, Amazon (ACM), Amazon CloudFront + 2 more | Find emails |
| chanel.com | #4,508 | Akamai Edge DNS, DigiCert | Find emails |
| kaltura.com | #4,509 | AWS WAF, Akamai Edge DNS, Amazon (ACM) + 2 more | Find emails |
| svt.se | #4,533 | Akamai Edge DNS, Akamai edge/CDN, DigiCert + 1 more | Find emails |
| fujitsu.com | #4,535 | Akamai Edge DNS, GSAP, Next.js + 5 more | Find emails |
| 104.com.tw | #4,538 | Cloudflare Bot Management, Cloudflare edge/CDN, Google Tag Manager | Find emails |
| i-fourc.com | #4,539 | Cloudflare Turnstile, Cloudflare edge/CDN, Google Tag Manager + 3 more | Find emails |
| byu.edu | #4,573 | Amazon CloudFront, CrazyEgg, DigiCert + 6 more | Find emails |
| queue-it.net | #4,575 | ASP.NET, Amazon (ACM), Amazon CloudFront + 13 more | Find emails |
| paysafecard.com | #4,578 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 10 more | Find emails |
| sicredi.com.br | #4,583 | Akamai Bot Manager, Akamai Edge DNS, Akamai edge/CDN + 10 more | Find emails |
| thetrainline.com | #4,605 | Amazon (ACM), Amazon CloudFront, Cloudflare + 3 more | Find emails |
| nationalarchives.gov.uk | #4,608 | Adobe Fonts (Typekit), Amazon CloudFront, Amazon Route 53 + 11 more | Find emails |
| tradedoubler.com | #4,626 | Amazon Route 53, Let's Encrypt | Find emails |
| travelaudience.com | #4,628 | Akamai edge/CDN, BugHerd, Fancybox + 9 more | Find emails |
| transsion-os.com | #4,629 | Alibaba Cloud DNS | Find emails |
| oppo.com | #4,636 | Amazon S3, DigiCert, Google Tag Manager + 3 more | Find emails |
| kobo.com | #4,638 | Cloudflare Bot Management, Cloudflare edge/CDN, Google Cloud DNS + 1 more | Find emails |
| dyn.com | #4,643 | Adobe Analytics, Akamai Bot Manager, Akamai edge/CDN + 5 more | Find emails |
| ebsco.com | #4,646 | Amazon CloudFront, Amazon Route 53, Amazon S3 + 3 more | Find emails |
| carnival.com | #4,647 | ASP.NET, Akamai Bot Manager, Akamai Edge DNS + 8 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 →