The internet is observable. We built the tools.

Free domain health report — DNS, TLS, security headers, and routing, graded A–F. No signup.

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Cloud Status Is it b0rk? Real-time status for 140+ cloud and SaaS providers. Filter to your stack. Cloud Latency Is it slow? Test your connection to 45 cloud regions. Find out if it's the network or the app. Inspect Who is watching? Third-party services, trackers, and privacy analysis. Deep scan with browser rendering.

Domain Health

Full health score across DNS, TLS, headers, and more

DNS & Domain

Records, propagation, mail auth

Registration, nameservers, DNSSEC

TLS & Web

Certs, chain, expiry, SANs

Security headers graded A+ to F

Network

HTTP endpoint status and timing

Routing, RPKI, prefix visibility

Network path from global probes

A collection of infrastructure diagnostic tools built for SREs, DevOps engineers, and platform teams. Every tool runs in your browser, queries real infrastructure endpoints, and gives you results in seconds. No accounts, no rate limits, no ads. Built and maintained by Sri.