NetDiag.Dev - Website Connectivity Diagnostics API

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It was DNS

A simple API for DNS, TCP, TLS, and HTTPS health checks built for developers.

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PERFORMING NETWORK DIAGNOSTICS...

GET https://api.netdiag.dev/v1/checks?host=

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Website Health Check

Comprehensive diagnostics in a single pass.

Latency

Global ping response times.

DNS Resolve

Verify A, AAAA, and MX records.

HTTP Request

Inspect status codes and headers.

TLS Cert Active

Validate certificate chain and expiry.