Site24x7 allows you to monitor SSL/TLS certificates by validating the hostname, expiry date, and certificate chain from multiple global locations.
It performs various checks, including certificate validity, certificate revocation, and SHA-1 fingerprint to identify tampering, and verifies whether the certifying authority is blocklisted. This helps ensure your website maintains a secure and trustworthy environment for visitors.
You can configure proactive alerts in Site24x7 to notify you well before your SSL/TLS certificates expire, and also get alerts for validation issues such as hostname mismatches or invalid chains.