Your SSL Expired. Chrome Is Blocking Your Entire Site.
Auto-renewal fails silently. Visitors see a security warning instead of your site. Visual Sentinel monitors expiry dates, chain validity, and protocol strength — alerting you 30 days before trouble.
Set up in 60 seconds. No credit card required.
“We caught 3 outages in the first week that our old monitor missed.” — Eric D., Powered Storage
Certificate Valid
TLS 1.3 connection secured
Domain
shopify.com
Issuer
Let's Encrypt
Algorithm
SHA-256 / RSA 2048
Certificate Chain
What Is SSL Monitoring?
SSL monitoring is the continuous surveillance of SSL/TLS certificates installed on your web servers. An SSL monitor checks certificate validity, expiry dates, chain integrity, and protocol configuration on a regular schedule — alerting you before problems affect your visitors. Expired or misconfigured SSL certificates cause browser security warnings that block access to your site, break payment processing, and destroy user trust. SSL monitoring is especially critical because certificate renewals can fail silently — auto-renewal tools like Certbot or Let's Encrypt can break due to DNS changes, permission issues, or rate limits. Visual Sentinel validates your SSL certificate with every uptime check and sends expiry warnings at 30, 14, and 7 days before expiration, giving you time to act before your visitors see a security warning.
Expiry Alerts in Advance
Receive alerts 29, 13, and 6 days before your SSL certificate expires. Never get caught off guard.
Certificate Chain Validation
We check your entire certificate chain — not just the leaf cert. Catch intermediate certificate issues before they cause outages.
Configuration Issue Detection
Detect mismatched domains, weak ciphers, and protocol issues that could leave your site vulnerable.
Continuous Monitoring
SSL is checked alongside every uptime check. No separate tool or subscription needed.
Part of 6-Layer Monitoring
SSL monitoring is included with uptime, performance, DNS, and visual monitoring. One tool covers everything.
SSL History & Reports
Track certificate changes over time. Know when certs were renewed, by whom, and what changed.
How It Works
Add Your Domain
Enter your website URL. We automatically discover and monitor your SSL certificate.
Set Alert Thresholds
Choose when to be alerted — 29 days, 13 days, 6 days before expiry, or all of the above.
Stay Protected
We continuously validate your certificate and alert you to any issues or upcoming expirations.
Frequently Asked Questions
Start Monitoring in 60 Seconds
Free plan with 3 monitors. No credit card required.
Check Your Site Free