DNS & Domain
4,519 of the 1,000,000 top sites in our Tranco top-1M census run NS1 (0.5%). A managed DNS provider offering authoritative DNS hosting and traffic-management features for domains. Detection is homepage-level HTML/header fingerprinting, so a site can run NS1 on other pages without it showing here.
| # | Domain | Global traffic rank | Contacts |
|---|---|---|---|
| 1 | linkedin.com | #18 (Tranco) | Find emails |
| 2 | github.com | #29 (Tranco) | Find emails |
| 3 | bing.com | #30 (Tranco) | Find emails |
| 4 | msn.com |
| Site | Tranco rank | Also detected | Contacts |
|---|---|---|---|
| ghcr.io | #4,848 | Contentful, GitHub, GitHub Pages + 2 more | Find emails |
| ms.now | #4,907 | Adobe Experience Cloud (Launch), Akamai edge/CDN, Amplitude + 9 more | Find emails |
| etsystatic.com | #4,948 | Amazon Route 53 | Find emails |
| #61 (Tranco) |
| Find emails |
| 5 | spotify.com | #62 (Tranco) | Find emails |
| #4,951 |
| Adobe Audience Manager, Akamai Bot Manager, Akamai edge/CDN + 12 more |
| Find emails |
| hereapi.com | #5,116 | Akamai Edge DNS, Microsoft 365 | Find emails |
| reference.com | #5,171 | Fastly, GitHub, GitHub Pages + 3 more | Find emails |
| emarketer.com | #5,175 | ASP.NET, Amplitude, Cloudflare Bot Management + 15 more | Find emails |
| amplience.net | #5,201 | Microsoft 365 | Find emails |
| sweetwater.com | #5,211 | Fastly, PerimeterX (HUMAN), Varnish | Find emails |
| ebay.fr | #5,217 | Akamai Bot Manager, Akamai edge/CDN, Sectigo | Find emails |
| dssedge.com | #5,239 | — | Find emails |
| nj.com | #5,300 | DataDome, Let's Encrypt, Microsoft 365 | Find emails |
| filesusr.com | #5,350 | Amazon CloudFront, Let's Encrypt, OpenResty | Find emails |
| ask.com | #5,393 | Fastly, GitHub, GitHub Pages + 3 more | Find emails |
| smashingmagazine.com | #5,435 | Cloudinary, Google Analytics, Let's Encrypt + 1 more | Find emails |
| outbrain.org | #5,471 | — | Find emails |
| cbs.com | #5,475 | OpenResty, Sectigo, Varnish | Find emails |
| insider.com | #5,482 | AppsFlyer, Fastly, Magnite (Rubicon Project) + 1 more | Find emails |
| lnkdns.net | #5,487 | Azure DNS | Find emails |
| myworkday.com | #5,504 | Amazon (ACM), Apache, Drupal + 4 more | Find emails |
| heroku.com | #5,557 | Google Workspace, Let's Encrypt, Nginx + 5 more | Find emails |
| maxpreps.com | #5,603 | Fastly, Microsoft 365, Next.js + 4 more | Find emails |
| box.net | #5,604 | Cloudflare Bot Management, Cloudflare edge/CDN, DigiCert + 3 more | Find emails |
| byspotify.com | #5,626 | Google Cloud DNS | Find emails |
| ice.com | #5,638 | Adobe Fonts (Typekit), Cloudflare Bot Management, Cloudflare edge/CDN + 10 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 →