Web Server
891 of the 1,000,000 top sites in our Tranco top-1M census run Kestrel (0.1%). The default cross-platform web server built into ASP.NET Core. Detection is homepage-level HTML/header fingerprinting, so a site can run Kestrel on other pages without it showing here.
| # | Domain | Global traffic rank | Contacts |
|---|---|---|---|
| 1 | msn.com | #61 (Tranco) | Find emails |
| 2 | accor.com | #2,642 (Tranco) | Find emails |
| 3 | similarweb.com | #3,937 (Tranco) | Find emails |
| 4 | 365scores.com |
| Site | Tranco rank | Also detected | Contacts |
|---|---|---|---|
| upperdeckepack.com | #142,943 | ASP.NET, Amazon Route 53, Font Awesome + 9 more | Find emails |
| sound.jp | #143,464 | Cloudflare, Cloudflare edge/CDN, DigiCert + 3 more | Find emails |
| deportesrcn.com | #143,717 | Amazon CloudFront, Amazon Route 53, Fastly + 3 more | Find emails |
| #4,252 (Tranco) |
| Find emails |
| 5 | covers.com | #5,805 (Tranco) | Find emails |
| paprikaapp.com | #144,069 | Adobe Fonts (Typekit), Bootstrap, Google Analytics + 6 more | Find emails |
| scentsy.com | #144,789 | Adobe Experience Cloud (Launch), Adobe Fonts (Typekit), Contentstack + 11 more | Find emails |
| pullapart.com | #147,003 | Bootstrap, CrazyEgg, Font Awesome + 4 more | Find emails |
| rsa.ie | #147,821 | ASP.NET, CrazyEgg, Font Awesome + 10 more | Find emails |
| msn.co.uk | #149,552 | Akamai edge/CDN, Azure DNS, Webpack + 1 more | Find emails |
| fourchette-et-bikini.fr | #154,829 | Google Analytics, Let's Encrypt, SpeedCurve + 1 more | Find emails |
| fscj.edu | #155,756 | ASP.NET, Azure DNS, Bootstrap + 7 more | Find emails |
| chsinc.com | #156,282 | Campaign Monitor, Drupal, Fancybox + 8 more | Find emails |
| takemefishing.org | #156,657 | ASP.NET, Azure API Management, DigiCert + 5 more | Find emails |
| tourdesk.is | #158,626 | ASP.NET, Amazon Route 53, Azure API Management + 6 more | Find emails |
| aranzadilaley.es | #158,870 | Azure DNS, Azure Front Door, Didomi + 6 more | Find emails |
| umcsn.com | #162,229 | ASP.NET, Adobe Fonts (Typekit), DigiCert + 9 more | Find emails |
| ghorfe24.com | #162,688 | ASP.NET, Bootstrap, Let's Encrypt + 1 more | Find emails |
| pierocloud.com | #165,401 | Let's Encrypt, GoDaddy | Find emails |
| stne.net | #166,208 | Google Analytics, Google Tag Manager, Let's Encrypt + 5 more | Find emails |
| lansfast.se | #167,273 | CSC (Digital Brand Services), DigiCert, Microsoft 365 + 2 more | Find emails |
| smartphoto.be | #168,045 | ASP.NET, Bootstrap, Cookiebot + 9 more | Find emails |
| plitch.com | #168,736 | Azure DNS, Bootstrap, Let's Encrypt + 2 more | Find emails |
| bikehotels.it | #169,916 | ASP.NET, Google Analytics, Google Tag Manager + 2 more | Find emails |
| truelearn.net | #171,337 | Amazon (ACM), Amazon Route 53, New Relic + 2 more | Find emails |
| service-cammpaign.com | #173,601 | Cloudflare, DigiCert, Google Fonts | Find emails |
| connectionstrings.com | #174,861 | ASP.NET, DigiCert, Google AdSense + 3 more | Find emails |
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 →