108,582 of the 1,000,000 top sites in our Tranco top-1M census run Microsoft 365 (10.9%). 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 |
|---|---|---|---|
| neakriti.gr | #69,402 | Cloudflare, Cloudflare Web Analytics, Cloudflare edge/CDN + 4 more | Find emails |
| lacuracao.pe | #69,407 | Fastly, Let's Encrypt, New Relic + 1 more | Find emails |
| sliit.lk | #69,410 | Amazon (ACM), Amazon CloudFront | Find emails |
| #30 (Tranco) |
| Find emails |
| 5 | microsoftonline.com | #38 (Tranco) | Find emails |
| m1.com.sg |
| #69,414 |
| Adobe Experience Cloud (Launch), Fastly, Google Maps + 6 more |
| Find emails |
| maszol.ro | #69,416 | Bootstrap, Google AdSense, Google Analytics + 4 more | Find emails |
| netdoctor.co.uk | #69,419 | Amazon Route 53, Next.js, OneTrust + 2 more | Find emails |
| civilim.com | #69,423 | Cloudflare edge/CDN, Fancybox, Google Tag Manager + 8 more | Find emails |
| fcporto.pt | #69,430 | Cloudflare, Cloudflare edge/CDN, DigiCert + 6 more | Find emails |
| vakantieveilingen.nl | #69,439 | ASP.NET, Cloudflare, Cloudflare edge/CDN + 6 more | Find emails |
| imaginaire.com | #69,442 | Cloudflare, Cloudflare Bot Management, Cloudflare edge/CDN + 1 more | Find emails |
| patientaccess.com | #69,450 | Azure API Management, Azure Front Door, Cloudflare + 10 more | Find emails |
| ahima.org | #69,455 | Azure API Management, Azure Front Door, Bootstrap + 17 more | Find emails |
| casinobarcelona.es | #69,462 | Cloudflare edge/CDN, Google Trust Services | Find emails |
| softronics.ch | #69,464 | Apache, Font Awesome, Google Fonts + 1 more | Find emails |
| dixxon.com | #69,467 | Cloudflare edge/CDN, ConsentMo, Google Tag Manager + 7 more | Find emails |
| uthm.edu.my | #69,468 | Apache, Cloudflare, Font Awesome + 10 more | Find emails |
| radissonhotelsamericas.com | #69,469 | Akamai Bot Manager, Akamai edge/CDN, DigiCert | Find emails |
| jumbocolombia.com | #69,496 | Amazon CloudFront, Amazon Route 53, Let's Encrypt + 2 more | Find emails |
| bharatpetroleum.in | #69,512 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 | Find emails |
| cdn.live | #69,514 | Cloudflare | Find emails |
| jcp.com | #69,521 | Akamai Edge DNS, Akamai edge/CDN, DigiCert | Find emails |
| unisimon.edu.co | #69,523 | Apache, Bootstrap, Font Awesome + 12 more | Find emails |
| mgmotor.eu | #69,526 | Amazon (ACM), CCM19, Cloudflare Web Analytics + 10 more | Find emails |
| blivakker.no | #69,531 | Cloudflare, Cloudflare edge/CDN, Google Tag Manager + 2 more | Find emails |
| marketsmojo.com | #69,541 | Amazon Route 53, Font Awesome, Google Ads Conversion + 10 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 1,000,000-domain Tranco top-1M census (run top1m-2026-08-25-full-v2), snapshot August 29, 2026. Directional, not exhaustive — fully custom or bundled stacks under-detect. Methodology →