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🛡️ SSL Certificate Inspector

Fetch live TLS certificate details from a hostname. Verify issuer, validity dates, SAN entries, and the complete certificate chain in one view.

SSL Certificate Inspector

Retrieve TLS certificate details directly from a hostname. Check issuer information, validity dates, subject alternative names, and download the full chain to assess trust issues quickly.

Lookup

How to use this tool

Enter the hostname without protocol (e.g. example.com).
Run the inspection to fetch the live certificate chain over TLS.
Review issuer details, validity dates, and SAN entries for mismatches.

Why it matters

Spot certificates that are close to expiring before they cause downtime.
Confirm that the SAN list covers all domains your service responds to.
Check if a certificate is self-signed or chained to a known CA.

Troubleshooting

If the lookup fails, ensure the host responds on port 443.
Corporate proxies may block direct TLS handshakes from this tool.
For staging servers with IP-only access, add the domain to DNS first.

FAQ

Does this tool download the certificate?: It performs a live TLS handshake and reads the presented certificate chain without storing it on the server.
Can I inspect custom ports?: Not yet. The tool currently targets the standard HTTPS port 443.

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