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 |
|---|---|---|---|
| wdtinc.com | #73,347 | Amazon Route 53, Cloudflare Bot Management, Cloudflare edge/CDN + 3 more | Find emails |
| pulsembed.eu | #73,358 | Amazon CloudFront, Let's Encrypt | Find emails |
| dodea.edu | #73,379 | Akamai Edge DNS, DigiCert, Drupal | Find emails |
| #30 (Tranco) |
| Find emails |
| 5 | microsoftonline.com | #38 (Tranco) | Find emails |
| #73,386 |
| Adobe Fonts (Typekit), Cloudflare, Cloudflare edge/CDN + 3 more |
| Find emails |
| zegna.com | #73,390 | Akamai Bot Manager, Akamai Edge DNS, Akamai mPulse + 6 more | Find emails |
| teachingstrategies.com | #73,393 | Calendly, Cloudflare, Cloudflare Bot Management + 10 more | Find emails |
| gauteng.gov.za | #73,400 | Azure DNS, DigiCert | Find emails |
| albertina.at | #73,424 | Cookiebot, Google Tag Manager, Let's Encrypt + 5 more | Find emails |
| malteser.de | #73,434 | Let's Encrypt, TYPO3, Varnish | Find emails |
| politicshome.com | #73,438 | ASP.NET, Cloudflare, Cloudflare edge/CDN + 8 more | Find emails |
| ualg.pt | #73,442 | ConsentMo, Drupal, Google Tag Manager | Find emails |
| epiuse.com.au | #73,446 | Bootstrap, Cloudflare, Cloudflare Bot Management + 4 more | Find emails |
| tvo.org | #73,448 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 2 more | Find emails |
| cortland.edu | #73,457 | Adobe Fonts (Typekit), Bootstrap, Cloudflare + 8 more | Find emails |
| tokyu.co.jp | #73,465 | DigiCert, Google Tag Manager, Next.js + 2 more | Find emails |
| wspolczesna.pl | #73,468 | Cloudflare, Cloudflare edge/CDN, Google AdSense + 5 more | Find emails |
| intellicentre.net.au | #73,469 | — | Find emails |
| evosecurity.com | #73,474 | Amazon Route 53, Let's Encrypt, Next.js + 2 more | Find emails |
| tekniikanmaailma.fi | #73,478 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 2 more | Find emails |
| lightad.com | #73,498 | Cloudflare, Cloudflare edge/CDN, Google Tag Manager + 4 more | Find emails |
| fox23.com | #73,508 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 5 more | Find emails |
| tottus.com.pe | #73,517 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 5 more | Find emails |
| cuhk.edu.cn | #73,521 | AOS, DigiCert, Drupal + 1 more | Find emails |
| rikstoto.no | #73,528 | Azure DNS, DigiCert | Find emails |
| ktk.de | #73,543 | Bootstrap, Sectigo, TYPO3 + 1 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 →