Network connection required
Network intelligence
Check My IP
Inspect your public IP and approximate network information after you choose to connect.
Open related tool
Network intelligenceNetwork connection required
SSL Checker
Inspect a public website certificate, hostname match and expiration.
How it works
Enter a hostname to inspect the certificate and TLS connection on port 443 after public-address validation.
Privacy
The hostname is sent to SFranKey and the API connects to the target website. No page body is downloaded.
FAQ
Does this check revocation or CT? Not in this release; it covers chain authorization, hostname and validity dates.
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