SSL Certificate Checker
SSL Certificate Checker with server-side checks of public network targets and result export.
SSL Certificate Checker
Connect from this server to a public TLS host to inspect certificates, dates, hostname matching and runtime trust validation. No application data is submitted. Revocation, all cipher suites and overall site security are not assessed.
The target and options are sent to this server, which connects to the target. Results reflect the server’s network connection.
Processed content stays in this page’s memory and cannot be recovered after clearing or closing.
About this tool
Connect from this server to a public TLS host to inspect certificates, dates, hostname matching and runtime trust validation. No application data is submitted. Revocation, all cipher suites and overall site security are not assessed. The target and options are sent to this server; results reflect its network. Inputs and results are not stored. Metrics only include status, timing, counts and copy/download actions.
How to use
- Enter a public URL or host/IP and choose a method or ports.
- Run the check; cancel at any time. Up to 12 checks per session per minute.
- Review status, validation or individual port results; copy/download JSON. Certificates can also be downloaded as PEM.
Frequently asked questions
Why does this differ from my computer?
Checks originate from this server; DNS, network egress, firewalls and CA stores may differ. Private, loopback and reserved addresses are blocked. A TCP connection does not prove application health, and revocation is not checked.
Discussion & comments
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