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 |
|---|---|---|---|
| pc.es.gov.br | #815,634 | ASP.NET, Adopt, Bootstrap + 6 more | Find emails |
| peahi.com.br | #815,749 | Azion, Google Analytics, Google Tag Manager + 5 more | Find emails |
| prego.com.br | #818,754 | Azion, Let's Encrypt | Find emails |
| #4,252 (Tranco) |
| Find emails |
| 5 | covers.com | #5,805 (Tranco) | Find emails |
| #818,819 |
| ASP.NET, Bootstrap, Chart.js + 5 more |
| Find emails |
| primaxsolutions.com.pe | #818,918 | Amazon (ACM), Materialize CSS, Microsoft 365 + 3 more | Find emails |
| propleadz.com | #819,341 | ASP.NET, Bootstrap, Font Awesome + 3 more | Find emails |
| raddycenter.com | #820,769 | ASP.NET, Let's Encrypt, Meta Pixel + 4 more | Find emails |
| radissoncareers.com | #820,863 | ASP.NET, Akamai Edge DNS, Azure API Management + 10 more | Find emails |
| rayainstallment.com | #821,336 | ASP.NET, Bootstrap, Font Awesome + 9 more | Find emails |
| rechargebuysale.com | #821,653 | ASP.NET, Bootstrap, Cloudflare + 5 more | Find emails |
| richards.com.br | #822,566 | Azion, Azure DNS, Google Analytics + 3 more | Find emails |
| richmindale.edu.ph | #822,582 | Bootstrap, Font Awesome, Google Fonts + 3 more | Find emails |
| rodoviariacuritiba.com.br | #823,040 | Amazon (ACM), Amazon Route 53, Amplitude + 5 more | Find emails |
| rodoviariadebh.com.br | #823,041 | Amazon (ACM), Amazon Route 53, Amplitude + 4 more | Find emails |
| rodoviariadotiete.com | #823,044 | Amazon (ACM), Amazon Route 53, Amplitude + 5 more | Find emails |
| rodoviariaportoalegre.com.br | #823,045 | Amazon (ACM), Amazon Route 53, Amplitude + 5 more | Find emails |
| rvinmobiliaria.com | #823,951 | ASP.NET, Bootstrap, Font Awesome + 8 more | Find emails |
| salamander.md | #824,475 | ASP.NET, Bootstrap, Google Analytics + 6 more | Find emails |
| sbb.com.br | #825,285 | Amazon Route 53, Azion, Let's Encrypt + 1 more | Find emails |
| scholarserp.com | #825,432 | ASP.NET, Bootstrap, Font Awesome + 6 more | Find emails |
| selecao.es.gov.br | #825,968 | Bootstrap, Font Awesome, Let's Encrypt + 1 more | Find emails |
| servidor.es.gov.br | #826,324 | ASP.NET, Adopt, Bootstrap + 6 more | Find emails |
| sesp.es.gov.br | #826,370 | ASP.NET, Adopt, Bootstrap + 6 more | Find emails |
| siga.es.gov.br | #827,493 | Bootstrap, Font Awesome, Google Analytics + 4 more | Find emails |
| singularmedicamentos.com.br | #827,838 | Azion, Google Analytics, Google Tag Manager + 2 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 →