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 |
|---|---|---|---|
| atlasskolstvi.cz | #556,703 | Google Analytics, Google Tag Manager, Let's Encrypt + 1 more | Find emails |
| tinxe.vn | #560,459 | AnyMind Group, Cloudflare, DigiCert + 3 more | Find emails |
| artcloud.market | #560,580 | Azure API Management, DigiCert, Google Ads Conversion + 9 more | Find emails |
| #4,252 (Tranco) |
| Find emails |
| 5 | covers.com | #5,805 (Tranco) | Find emails |
| gradedguard.com | #561,097 | Amazon (ACM), Cloudflare | Find emails |
| samar.es | #561,695 | ASP.NET, Azure API Management, Google Analytics + 3 more | Find emails |
| 9zx.com | #562,597 | 51.la, Baidu Analytics, Tencent Cloud COS + 1 more | Find emails |
| polipet.com.br | #564,460 | Azion, Let's Encrypt | Find emails |
| superlike.com | #564,492 | Amazon CloudFront, Amazon Route 53, DoubleClick (Google Ads) + 4 more | Find emails |
| nekatur.net | #569,263 | ASP.NET, Cloudflare, Let's Encrypt + 8 more | Find emails |
| basehit.com | #570,178 | Cloudflare, DigiCert | Find emails |
| visionary-operation365.com | #573,832 | Amazon Route 53, Azure API Management, Sectigo | Find emails |
| microsoftstart.com | #576,750 | Akamai edge/CDN, Azure DNS, Microsoft 365 + 3 more | Find emails |
| leeindustries.com | #579,023 | Azure API Management, Dash Hudson (Dash Social), DigiCert + 7 more | Find emails |
| winnervw.com | #580,723 | ComplyAuto, Fastly, Google Ads Conversion + 8 more | Find emails |
| mcn.live | #581,103 | ASP.NET, Amazon (ACM), Amazon Route 53 + 12 more | Find emails |
| panikad.com | #582,137 | ASP.NET, Google Analytics, Google Tag Manager + 1 more | Find emails |
| thesingleadventist.com | #584,709 | AOS, ASP.NET, AWS WAF + 20 more | Find emails |
| cbtops.net | #585,115 | ASP.NET, Azure API Management, Drupal + 10 more | Find emails |
| diet3dart.com | #588,612 | Amazon Route 53, Azure API Management | Find emails |
| op2online.com | #588,784 | ASP.NET, Azure DNS, Bootstrap + 11 more | Find emails |
| payease.in | #591,997 | ASP.NET, Bootstrap, DigiCert + 2 more | Find emails |
| portaluin.mx | #592,057 | ASP.NET, Azure API Management, Azure DNS + 8 more | Find emails |
| secti.es.gov.br | #592,215 | ASP.NET, Adopt, Bootstrap + 6 more | Find emails |
| sejus.es.gov.br | #592,219 | ASP.NET, Adopt, Bootstrap + 6 more | Find emails |
| hattons.co.uk | #592,723 | Azure DNS, Bootstrap, DigiCert + 4 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 →