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 |
|---|---|---|---|
| tarleton.edu | #66,391 | Adobe Fonts (Typekit), Fastly, Google Tag Manager + 8 more | Find emails |
| officialpayments.com | #66,395 | Akamai Edge DNS, Akamai mPulse, DigiCert + 3 more | Find emails |
| dailykarma.io | #66,411 | Amazon Route 53 | Find emails |
| #30 (Tranco) |
| Find emails |
| 5 | microsoftonline.com | #38 (Tranco) | Find emails |
| gridfast.net |
| #66,416 |
| — |
| Find emails |
| kingsleague.pro | #66,420 | Cloudflare, Cloudflare edge/CDN, Google Tag Manager + 6 more | Find emails |
| flixbus.fr | #66,424 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 | Find emails |
| scranton.edu | #66,427 | Amazon Route 53, Fancybox, Font Awesome + 4 more | Find emails |
| foodwatch.org | #66,430 | ASP.NET, Let's Encrypt, Nginx + 2 more | Find emails |
| rcsmetrics.it | #66,440 | — | Find emails |
| bcdtravel.com | #66,448 | Cloudflare Bot Management, Cloudflare edge/CDN, Google Tag Manager + 5 more | Find emails |
| patriotledger.com | #66,462 | Amazon Advertising, Google Publisher Tag, Let's Encrypt + 2 more | Find emails |
| ukfinance.org.uk | #66,463 | Drupal, Font Awesome, Google Fonts + 5 more | Find emails |
| mta.ca | #66,469 | Adobe Fonts (Typekit), Drupal, Google Tag Manager + 2 more | Find emails |
| gianttiger.com | #66,491 | Cloudflare edge/CDN, Google Analytics, Google Tag Manager + 4 more | Find emails |
| ar15discounts.com | #66,493 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 3 more | Find emails |
| swoca.net | #66,494 | Google Analytics, Let's Encrypt, WordPress + 3 more | Find emails |
| piazza.com | #66,533 | Amazon (ACM), Amazon Route 53, Bootstrap + 5 more | Find emails |
| senado.gov.br | #66,539 | Google Analytics, Google Tag Manager, Let's Encrypt + 1 more | Find emails |
| jumbo.ch | #66,556 | DataDome | Find emails |
| centrelink.gov.au | #66,560 | Akamai Bot Manager, DigiCert, Drupal + 2 more | Find emails |
| linkconnector.com | #66,565 | Bootstrap, Cloudflare, Cloudflare edge/CDN + 10 more | Find emails |
| nlg.gr | #66,572 | Google Analytics, Google Tag Manager, Let's Encrypt + 4 more | Find emails |
| oecd-nea.org | #66,579 | Azure DNS, Bootstrap, DigiCert + 6 more | Find emails |
| historymuseum.ca | #66,592 | Adobe Fonts (Typekit), Amazon (ACM), Amazon CloudFront + 7 more | Find emails |
| netigate.se | #66,598 | Cloudflare, Font Awesome, Let's Encrypt + 3 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 →