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 |
|---|---|---|---|
| nextavenue.org | #71,603 | Cloudflare, Cloudflare edge/CDN, DoubleClick (Google Ads) + 10 more | Find emails |
| grommr.com | #71,606 | ASP.NET, Cloudflare, Cloudflare Bot Management + 7 more | Find emails |
| kotaksecurities.com | #71,609 | Akamai Edge DNS, Amazon CloudFront, Next.js + 2 more | Find emails |
| #30 (Tranco) |
| Find emails |
| 5 | microsoftonline.com | #38 (Tranco) | Find emails |
| wedbush.com | #71,616 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 13 more | Find emails |
| trivago.ca | #71,619 | Akamai Bot Manager, Akamai Edge DNS, Akamai edge/CDN + 3 more | Find emails |
| canalplus.fr | #71,622 | — | Find emails |
| cccis.com | #71,629 | AWS Lambda, Cloudflare Bot Management, Cloudflare edge/CDN + 8 more | Find emails |
| trenord.it | #71,631 | Akamai Edge DNS, Akamai edge/CDN, Akamai mPulse + 12 more | Find emails |
| adopt.com | #71,634 | AB Tasty, Adobe Fonts, Adobe Fonts (Typekit) + 14 more | Find emails |
| qnet.net | #71,646 | Ahrefs Analytics, Cloudflare, Cloudflare Bot Management + 11 more | Find emails |
| aec.at | #71,649 | Bootstrap, Cloudflare, Font Awesome + 6 more | Find emails |
| ultimo.net | #71,651 | Azure DNS, Google Tag Manager, Let's Encrypt + 3 more | Find emails |
| casinoatlanticcity.com | #71,664 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 5 more | Find emails |
| meteo.lt | #71,673 | DigiCert, Nginx, WordPress + 1 more | Find emails |
| meillakotona.fi | #71,676 | Adform, Amazon Route 53, Contentful + 7 more | Find emails |
| bug.co.il | #71,679 | Cloudflare, Cloudflare edge/CDN, Google Trust Services | Find emails |
| aircraftspruce.com | #71,680 | Apache, Fancybox, Font Awesome + 10 more | Find emails |
| spu.edu | #71,687 | AOS, ASP.NET, DigiCert + 9 more | Find emails |
| bubbleroom.se | #71,703 | Adobe Fonts, Adobe Fonts (Typekit), Cloudflare + 8 more | Find emails |
| most-wanted.com | #71,707 | Cloudflare edge/CDN, Google Cloud DNS, Let's Encrypt + 1 more | Find emails |
| orra.co.in | #71,718 | Amazon (ACM), Magento, New Relic + 2 more | Find emails |
| claires.com | #71,724 | Cloudflare Bot Management, Cloudflare edge/CDN, Let's Encrypt + 4 more | Find emails |
| multivix.edu.br | #71,742 | Bootstrap, Cloudflare, Cloudflare edge/CDN + 17 more | Find emails |
| xoxoday.com | #71,759 | Amazon Route 53, Google Tag Manager, Let's Encrypt + 5 more | Find emails |
| intage.co.jp | #71,767 | Amazon (ACM), Amazon CloudFront, Apache + 7 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 →