netdiag.dev
netdiag.dev is a live English-language website hosted on Cloudflare, Inc. (AS13335) in the United States, served by Cloudflare. cl0q first saw it on 2026-09-01 and last crawled it on 2026-09-01. It resolves to 104.21.90.155 and has mail (MX) records set up. Its favicon is fingerprinted by SHA-256, so you can find every other site that serves the same icon.
How the site describes itself:
NetDiag.Dev - Website Connectivity Diagnostics API
Simple REST API for DNS, TLS, HTTP health checks. Test connectivity, validate SSL certificates, and monitor network diagnostics with a JSON API.
| Status | 200 OK — live & indexed by cl0q |
|---|---|
| First seen | 2026-09-01 |
| Last crawled | 2026-09-01 |
| IPv4 | 104.21.90.155 |
| IPv6 | 2606:4700:3036::6815:5a9b |
| Network | AS13335 Cloudflare, Inc. · United States |
| Mail (MX) | in1-smtp.messagingengine.com,in2-smtp.messagingengine.com |
| Language | en |
| Server | cloudflare |