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 |
|---|---|---|---|
| bigbadtoystore.com | #6,941 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| hitta.se | #6,943 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 4 more | Find emails |
| myisolved.com | #6,960 | ASP.NET, Bootstrap, Cloudflare + 5 more | Find emails |
| #30 (Tranco) |
| Find emails |
| 5 | microsoftonline.com | #38 (Tranco) | Find emails |
| sixt.com | #6,964 | Cloudflare Bot Management, Cloudflare edge/CDN, Google Trust Services + 1 more | Find emails |
| tvspielfilm.de | #6,965 | Cloudflare Bot Management, Cloudflare edge/CDN, Let's Encrypt | Find emails |
| trovaprezzi.it | #6,977 | Cloudflare, DataDome, DigiCert | Find emails |
| mlive.com | #6,981 | DataDome, Let's Encrypt, NS1 | Find emails |
| biography.com | #6,991 | Amazon Route 53, Next.js, OneTrust + 2 more | Find emails |
| topuniversities.com | #7,006 | Cloudflare, Cloudflare edge/CDN, Google Trust Services | Find emails |
| tivoservice.com | #7,008 | Amazon Route 53 | Find emails |
| gopro.com | #7,016 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 1 more | Find emails |
| thairath.co.th | #7,027 | Amazon CloudFront, Amazon Route 53, DigiCert + 13 more | Find emails |
| invisalign.com | #7,048 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 8 more | Find emails |
| icims.com | #7,050 | Amazon Route 53, Fastly, Google Tag Manager + 8 more | Find emails |
| laredoute.fr | #7,065 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 2 more | Find emails |
| sudinfo.be | #7,066 | Akamai Edge DNS, Google Identity Services, Google Publisher Tag + 2 more | Find emails |
| boomtrain.com | #7,070 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 8 more | Find emails |
| portfolio.hu | #7,081 | Google Publisher Tag, Google Tag Manager, Meta Pixel + 2 more | Find emails |
| cafepress.com | #7,084 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 | Find emails |
| tcd.ie | #7,092 | Amazon CloudFront, Google Tag Manager, YouTube + 2 more | Find emails |
| kariyer.net | #7,100 | DigiCert, PerimeterX (HUMAN) | Find emails |
| haber7.com | #7,104 | Amazon Route 53, Google AdSense, Google Analytics + 5 more | Find emails |
| episerver.net | #7,116 | Amazon Route 53 | Find emails |
| unh.edu | #7,119 | ConsentMo, Drupal, Google Tag Manager + 1 more | Find emails |
| rackspacecloud.com | #7,125 | Let's Encrypt, Next.js, Nginx + 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 →