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 |
|---|---|---|---|
| audiocodes.com | #123,898 | ASP.NET, Azure API Management, Azure DNS + 12 more | Find emails |
| lacunasoftware.com | #124,191 | Azure DNS, DigiCert, Google Fonts + 1 more | Find emails |
| dspjobhub.com | #125,005 | Amazon Route 53, Azure API Management, BugHerd + 9 more | Find emails |
| #4,252 (Tranco) |
| Find emails |
| 5 | covers.com | #5,805 (Tranco) | Find emails |
| translink.co.uk | #125,544 | Azure API Management, Google Tag Manager, Sectigo + 1 more | Find emails |
| vmwarebaselines.com | #126,161 | Amazon (ACM), Amazon Route 53 | Find emails |
| keeptradecut.com | #126,707 | Azure API Management, Blockthrough, Fathom + 6 more | Find emails |
| bdo.co.uk | #127,330 | ASP.NET, Adobe Fonts (Typekit), Azure API Management + 18 more | Find emails |
| marsello.app | #128,408 | Amazon (ACM), Amazon Route 53, Azure API Management | Find emails |
| ntn24.com | #129,463 | Amazon CloudFront, Amazon Route 53, Fastly + 4 more | Find emails |
| autocosmos.com.mx | #129,937 | Azure API Management, DoubleClick (Google Ads), Feedburner + 9 more | Find emails |
| merchandising-onlineshop.com | #131,098 | Akamai Edge DNS, Amazon (ACM) | Find emails |
| hdmi.org | #131,668 | ASP.NET, Amazon (ACM), Amazon Route 53 + 6 more | Find emails |
| sansiri.com | #131,776 | ASP.NET, Amazon Route 53, Azure API Management + 16 more | Find emails |
| synapsenet.ru | #132,050 | Telegram, VK, Yandex Metrica | Find emails |
| snow.com | #134,299 | ASP.NET, Akamai Bot Manager, Akamai edge/CDN + 9 more | Find emails |
| scentsy.us | #134,479 | Adobe Experience Cloud (Launch), Adobe Fonts (Typekit), Contentstack + 10 more | Find emails |
| hlserve.com | #136,064 | DigiCert | Find emails |
| myenergykey.com | #136,264 | Amazon CloudFront, Amazon Route 53, Awin + 4 more | Find emails |
| msn.de | #136,674 | Akamai edge/CDN, Azure DNS, Webpack + 1 more | Find emails |
| papajohns.co.uk | #138,488 | ASP.NET, Akamai Bot Manager, Akamai Edge DNS + 15 more | Find emails |
| cso.org | #140,479 | ASP.NET, Adobe Fonts (Typekit), DigiCert + 16 more | Find emails |
| pushbaza.com | #140,915 | ASP.NET, Google Fonts, Sectigo + 1 more | Find emails |
| nbcc.org | #141,570 | AOS, DigiCert, Google Analytics + 7 more | Find emails |
| aontasnascribhneoiri.ie | #141,726 | ASP.NET, DigiCert, Google Fonts + 3 more | Find emails |
| autocosmos.com.ar | #142,251 | Azure API Management, DoubleClick (Google Ads), Feedburner + 7 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 →