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.
Other web server
| # | 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 |
|---|---|---|---|
| sustainsys.com | #424,987 | Amazon S3, Azure API Management, Bluesky + 11 more | Find emails |
| enbw.cloud | #429,097 | Contentful, DigiCert, Microsoft 365 + 1 more | Find emails |
| rheintaler.ch | #430,582 | Bootstrap, Campaign Monitor, Consentmanager.net + 13 more | Find emails |
| #4,252 (Tranco) |
| Find emails |
| 5 | covers.com | #5,805 (Tranco) | Find emails |
| mspsor.com | #430,955 | ASP.NET, Amazon (ACM), Amazon Route 53 + 5 more | Find emails |
| 7instinctintelligent.com | #431,284 | Amazon Route 53, Azure API Management, Sectigo | Find emails |
| companydetailscompany.com | #431,970 | Amazon Route 53, Azure API Management, Sectigo | Find emails |
| vilavi.com | #433,040 | ASP.NET, Bootstrap, Fancybox + 11 more | Find emails |
| luzdelsur.com.pe | #435,136 | ASP.NET, Bootstrap, Cloudflare Turnstile + 7 more | Find emails |
| fife.ac.uk | #441,505 | ASP.NET, Azure API Management, BugHerd + 11 more | Find emails |
| egmont-shop.de | #441,692 | Cloudflare, Cookiebot, DigiCert + 3 more | Find emails |
| thingvellir.is | #442,061 | Azure API Management, DigiCert, Font Awesome + 3 more | Find emails |
| dhhp.edu.vn | #443,064 | AOS, ASP.NET, Bootstrap + 10 more | Find emails |
| loqate.com | #446,145 | 6sense, ASP.NET, Amazon Route 53 + 16 more | Find emails |
| ani-motion.net | #446,297 | Azure DNS, DigiCert, Google Fonts + 1 more | Find emails |
| vetoreditora.com.br | #446,577 | Azion, ClickTale (Contentsquare), Google Analytics + 5 more | Find emails |
| tapki.com | #449,273 | Cloudflare, Google Analytics, Google Tag Manager + 5 more | Find emails |
| appartogo.com | #449,811 | Bootstrap, Cloudflare, DigiCert + 8 more | Find emails |
| anhangueraferramentas.com.br | #451,474 | Azion, Google Fonts, Google Tag Manager + 4 more | Find emails |
| smartphoto.fr | #452,017 | ASP.NET, Cookiebot, Google Trust Services + 1 more | Find emails |
| peacecenter.org | #455,697 | Amazon Route 53, Chartbeat, Fastly + 8 more | Find emails |
| icograms.com | #455,721 | ASP.NET, Google Analytics, Google Fonts + 6 more | Find emails |
| dreweatts.com | #456,145 | Cloudflare, Dynatrace, Google Analytics + 9 more | Find emails |
| bobkingmazda.com | #456,615 | Amazon Advertising, ComplyAuto, Fastly + 7 more | Find emails |
| abcdaconstrucao.com.br | #457,510 | Adopt, Amazon Route 53, Azion + 5 more | Find emails |
| vancouvertoyota.com | #458,245 | ArtsAI (Adxcel), ComplyAuto, Fastly + 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 →