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 |
|---|---|---|---|
| lupin.com | #65,004 | Cloudflare, Next.js, Turbopack + 1 more | Find emails |
| tacnode.io | #65,007 | Amazon Route 53, Astro, Google Analytics + 4 more | Find emails |
| theatermania.com | #65,010 | Adobe Fonts (Typekit), Cloudflare, Cloudflare edge/CDN + 5 more | Find emails |
| #30 (Tranco) |
| Find emails |
| 5 | microsoftonline.com | #38 (Tranco) | Find emails |
| worldweatherattribution.org | #65,013 | Font Awesome, Google Analytics, Google Fonts + 4 more | Find emails |
| healthsparq.com | #65,027 | Amazon Route 53, Bootstrap, Cloudflare Bot Management + 9 more | Find emails |
| personcentredsoftware.com | #65,035 | Bootstrap, Cloudflare, Cloudflare Bot Management + 7 more | Find emails |
| geisinger.org | #65,049 | Google Tag Manager, OneTrust, Sectigo + 1 more | Find emails |
| imtest.de | #65,053 | Let's Encrypt, Nginx, Parse.ly + 3 more | Find emails |
| ahlsell.se | #65,055 | ASP.NET, Matomo, Modernizr + 4 more | Find emails |
| perfect365.com | #65,056 | Amazon (ACM), Amazon Route 53, Bootstrap + 5 more | Find emails |
| radiox.co.uk | #65,058 | AppsFlyer, DigiCert, Google Tag Manager | Find emails |
| casapariurilor.ro | #65,060 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| schoolmessenger.com | #65,071 | AOS, Amazon Route 53, Google Tag Manager + 6 more | Find emails |
| pilotflyingj.com | #65,072 | Adobe Experience Cloud (Launch), Adobe Fonts (Typekit), Amazon (ACM) + 12 more | Find emails |
| jwu.edu | #65,075 | Imperva, NS1 | Find emails |
| bso.org | #65,082 | Cloudflare Bot Management, Cloudflare edge/CDN, Google Tag Manager + 1 more | Find emails |
| imagekind.com | #65,089 | GoDaddy | Find emails |
| twtd.co.uk | #65,096 | Google Analytics, Let's Encrypt, PHP + 1 more | Find emails |
| dynabook.com | #65,105 | DigiCert | Find emails |
| w3line.fr | #65,107 | Bootstrap, Font Awesome, Sectigo + 1 more | Find emails |
| kofc.org | #65,110 | Cloudflare edge/CDN, Google Tag Manager, Google Trust Services + 2 more | Find emails |
| tamuc.edu | #65,116 | Adobe Fonts (Typekit), Cloudflare edge/CDN, Font Awesome + 6 more | Find emails |
| cinesa.es | #65,128 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| qub.ca | #65,140 | Akamai Bot Manager, Amazon Route 53, Let's Encrypt | Find emails |
| padelfip.com | #65,141 | Cloudflare, Cloudflare edge/CDN, Google Analytics + 6 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 →