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 |
|---|---|---|---|
| icicidirect.com | #7,983 | Adobe Experience Cloud (Launch), Akamai Edge DNS, Google Fonts + 1 more | Find emails |
| domain.com.au | #7,986 | Akamai Bot Manager, Akamai edge/CDN, Amazon Route 53 + 6 more | Find emails |
| therapynotes.com | #7,991 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| #30 (Tranco) |
| Find emails |
| 5 | microsoftonline.com | #38 (Tranco) | Find emails |
| digitalaudience.io | #8,008 | Google Analytics, Google Fonts, Google Tag Manager + 5 more | Find emails |
| doz.pl | #8,015 | DigiCert, Google Fonts, Google Tag Manager + 2 more | Find emails |
| pearltrees.com | #8,020 | Bootstrap, DigiCert, Google Fonts + 7 more | Find emails |
| arabam.com | #8,046 | Cloudflare, Cloudflare edge/CDN, Google Trust Services | Find emails |
| olympic.org | #8,050 | Akamai Bot Manager, Akamai Edge DNS, DigiCert + 5 more | Find emails |
| cylance.com | #8,054 | Adobe Fonts (Typekit), Amazon CloudFront, Amazon Route 53 + 6 more | Find emails |
| grainger.com | #8,063 | Adobe Experience Cloud (Launch), Akamai Edge DNS, DigiCert + 1 more | Find emails |
| centris.ca | #8,067 | Azure DNS, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| emlakjet.com | #8,073 | Cloudflare, Cloudflare edge/CDN, Criteo + 7 more | Find emails |
| bcb.gov.br | #8,080 | Azure DNS, DigiCert, Google Analytics + 1 more | Find emails |
| nissen.co.jp | #8,096 | Akamai Bot Manager, Akamai mPulse, Azure DNS + 6 more | Find emails |
| nap.edu | #8,099 | Akamai Edge DNS, Akamai edge/CDN, Fastly + 2 more | Find emails |
| adultwork.com | #8,107 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| wbs.legal | #8,111 | Bootstrap, Google Tag Manager, HubSpot + 6 more | Find emails |
| antena3.ro | #8,129 | Cloudflare, Cloudflare edge/CDN, Google AdSense + 10 more | Find emails |
| fikfap.com | #8,134 | Cloudflare, Cloudflare Web Analytics, Cloudflare edge/CDN + 4 more | Find emails |
| queensu.ca | #8,137 | Bootstrap, ConsentMo, Drupal + 4 more | Find emails |
| ncl.ac.uk | #8,139 | Cookiebot, HubSpot, Sectigo + 1 more | Find emails |
| bl.uk | #8,158 | Azure DNS, DigiCert, Google Tag Manager + 4 more | Find emails |
| pmi.org | #8,177 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| veikkaus.fi | #8,187 | Amazon CloudFront, Amazon Route 53, Astro + 4 more | Find emails |
| falabella.com.pe | #8,204 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 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 →