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 |
|---|---|---|---|
| frame.io | #12,711 | Amazon Route 53, Let's Encrypt, Next.js + 3 more | Find emails |
| bris.ac.uk | #12,719 | Google Tag Manager, Sectigo, Termly | Find emails |
| housebeautiful.com | #12,725 | Amazon Route 53, Next.js, OneTrust + 2 more | Find emails |
| #30 (Tranco) |
| Find emails |
| 5 | microsoftonline.com | #38 (Tranco) | Find emails |
| syracuse.com |
| #12,735 |
| DataDome, Let's Encrypt, NS1 |
| Find emails |
| fillr.com | #12,749 | AOS, Amazon (ACM), Amazon CloudFront + 4 more | Find emails |
| indystar.com | #12,750 | Amazon Advertising, Google Publisher Tag, Let's Encrypt + 2 more | Find emails |
| utm.edu | #12,763 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 | Find emails |
| ottera.tv | #12,764 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 8 more | Find emails |
| audubon.org | #12,771 | Drupal, Fastly, Font Awesome + 5 more | Find emails |
| iadb.org | #12,779 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 8 more | Find emails |
| spectrumvoip.com | #12,782 | Cloudflare edge/CDN, Google Analytics, Google Tag Manager + 3 more | Find emails |
| irishexaminer.com | #12,808 | Bootstrap, Cloudflare, Cloudflare edge/CDN + 11 more | Find emails |
| delfi.lv | #12,810 | Amazon Route 53, Cloudflare edge/CDN, Cookiebot + 3 more | Find emails |
| ee.co.uk | #12,815 | Adobe Experience Cloud (Launch), Amazon Route 53, DigiCert + 7 more | Find emails |
| pandora.net | #12,818 | CSC (Digital Brand Services), Cloudflare Bot Management, Cloudflare edge/CDN | Find emails |
| baylor.edu | #12,823 | Adobe Fonts (Typekit), Cloudflare edge/CDN, Font Awesome + 2 more | Find emails |
| hmv.co.jp | #12,827 | Google Publisher Tag, Modernizr, jQuery | Find emails |
| ettoday.net | #12,831 | Google Analytics, Google Tag Manager, Meta Pixel + 2 more | Find emails |
| movoto.com | #12,832 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 1 more | Find emails |
| nc.com | #12,838 | Amazon Route 53, Envoy, Google Fonts + 4 more | Find emails |
| cochrane.org | #12,852 | DigiCert, Drupal, Matomo + 1 more | Find emails |
| foodnetwork.co.uk | #12,861 | Amazon Route 53, Fastly, Google Tag Manager + 3 more | Find emails |
| adup-tech.com | #12,863 | Amazon Route 53, Framer, Google Analytics + 2 more | Find emails |
| dal.ca | #12,869 | DigiCert, Fastly, Google Tag Manager + 3 more | Find emails |
| rcn.net | #12,874 | — | 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 →