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 |
|---|---|---|---|
| forrester.com | #5,088 | Adobe Fonts (Typekit), Dynatrace, Express + 12 more | Find emails |
| mediaset.it | #5,089 | Amazon (ACM), Amazon CloudFront, Apache + 3 more | Find emails |
| michigan.gov | #5,091 | Akamai Edge DNS, Azure API Management, DigiCert + 3 more | Find emails |
| #30 (Tranco) |
| Find emails |
| 5 | microsoftonline.com | #38 (Tranco) | Find emails |
| aarnet.net.au | #5,092 | Cloudflare Bot Management, Cloudflare edge/CDN, Google Fonts + 4 more | Find emails |
| kundelik.kz | #5,099 | Bootstrap, DigiCert, Nginx + 5 more | Find emails |
| abc.com | #5,109 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 5 more | Find emails |
| oilprice.com | #5,115 | Amazon (ACM), Amazon Advertising, Amazon Route 53 + 9 more | Find emails |
| hereapi.com | #5,116 | Akamai Edge DNS, NS1 | Find emails |
| eltiempo.com | #5,117 | Amazon (ACM), Amazon CloudFront, DoubleClick (Google Ads) + 9 more | Find emails |
| coveo.com | #5,127 | AWS WAF, Amazon (ACM), Amazon CloudFront + 2 more | Find emails |
| ceneo.pl | #5,130 | ASP.NET, Azure API Management, DigiCert | Find emails |
| dynect.net | #5,133 | — | Find emails |
| buffalo.edu | #5,147 | Apache, Google Analytics, Google Tag Manager + 5 more | Find emails |
| men.gov.ma | #5,156 | Bootstrap, CDN Fonts, Drupal + 6 more | Find emails |
| uic.edu | #5,180 | — | Find emails |
| dwin1.com | #5,188 | Amazon (ACM), Amazon CloudFront, Amazon Route 53 + 1 more | Find emails |
| ons.gov.uk | #5,193 | Amazon CloudFront, Civic Cookie Control, Cloudflare Bot Management + 8 more | Find emails |
| amplience.net | #5,201 | NS1 | Find emails |
| mobileiron.com | #5,202 | ASP.NET, Amazon Route 53, Azure API Management + 7 more | Find emails |
| tv-asahi.co.jp | #5,222 | Fastly, Google Tag Manager, Nginx + 2 more | Find emails |
| fr.de | #5,236 | Google Tag Manager, Let's Encrypt, Nginx + 3 more | Find emails |
| pdflib.com | #5,237 | Apache, Google Tag Manager, Sectigo + 1 more | Find emails |
| alaskaair.com | #5,245 | AppDynamics, Azure API Management, Azure Front Door + 6 more | Find emails |
| royalmail.com | #5,262 | Akamai Bot Manager, Akamai edge/CDN, Akamai mPulse + 6 more | Find emails |
| imperial.ac.uk | #5,275 | Amazon CloudFront, Bluesky, GSAP + 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 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 →