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 |
|---|---|---|---|
| agoda.com | #859 | Akamai edge/CDN, DigiCert | Find emails |
| ndtv.com | #868 | Akamai Bot Manager, Akamai Edge DNS, Akamai edge/CDN + 2 more | Find emails |
| healthline.com | #881 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 1 more | Find emails |
| #30 (Tranco) |
| Find emails |
| 5 | microsoftonline.com | #38 (Tranco) | Find emails |
| hm.com |
| #883 |
| Akamai Bot Manager, Akamai Edge DNS, Akamai edge/CDN + 1 more |
| Find emails |
| state.gov | #896 | Akamai Edge DNS, Amazon (ACM), Amazon CloudFront | Find emails |
| fidelity.com | #907 | Akamai Bot Manager, Akamai Edge DNS, CSC (Digital Brand Services) + 2 more | Find emails |
| starlink.com | #911 | Fastly, Google Tag Manager, Let's Encrypt + 1 more | Find emails |
| epa.gov | #915 | Amazon CloudFront, DigiCert, Drupal + 3 more | Find emails |
| wyzecam.com | #918 | Bazaarvoice, Cloudflare, Cloudflare edge/CDN + 8 more | Find emails |
| nationalgeographic.com | #921 | Amazon (ACM), Amazon CloudFront, Datadog + 2 more | Find emails |
| agora.io | #928 | Amazon CloudFront, Amazon Route 53, Cloudflare edge/CDN + 13 more | Find emails |
| pbs.org | #933 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 5 more | Find emails |
| nintendo.net | #936 | Amazon Route 53 | Find emails |
| repubblica.it | #941 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 2 more | Find emails |
| lowes.com | #945 | Akamai Bot Manager, Akamai Edge DNS, Akamai edge/CDN + 4 more | Find emails |
| corriere.it | #949 | AppsFlyer, Fastly, Google Publisher Tag + 4 more | Find emails |
| caixa.gov.br | #968 | Sectigo | Find emails |
| rackspace.com | #985 | Akamai Bot Manager, DigiCert, Drupal + 2 more | Find emails |
| ubi.com | #1,016 | AB Tasty, Amazon (ACM), Amazon CloudFront + 3 more | Find emails |
| tesla.com | #1,034 | Akamai Edge DNS, Let's Encrypt | Find emails |
| oecd.org | #1,043 | Azure DNS, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| hilton.com | #1,053 | Adobe Experience Cloud (Launch), Akamai Edge DNS, DigiCert + 1 more | Find emails |
| xing.com | #1,056 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 1 more | Find emails |
| classlink.com | #1,073 | Adobe Fonts (Typekit), Amazon Route 53, Cloudflare edge/CDN + 7 more | Find emails |
| tagesschau.de | #1,081 | Google Cloud DNS, Let's Encrypt | 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 →