Question 1

How does client-side SSL inspection work?

Accepted Answer

The tool audits real-time public Certificate Transparency (CT) logs and performs direct in-browser cryptographic handshakes to verify the validity, authority, and expiration of SSL/TLS certificates.

Question 2

What are Subject Alternative Names (SANs)?

Accepted Answer

SANs are extensions in an SSL certificate that list all hostnames, subdomains, and wildcard domains secured under that single certificate.

Question 3

When should an SSL certificate be renewed?

Accepted Answer

Most modern security practices recommend renewing SSL/TLS certificates at least 30 days prior to their expiration date to avoid downtime and browser security warnings.

Question 4

Does this SSL check require a backend server?

Accepted Answer

No. The inspection runs 100% in your browser by querying open Certificate Transparency logs and performing native TLS handshakes.

SSL Certificate Checker & Expiry

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