Automated SSL Certificate Monitoring & Renewal Alerts
Catch silent certbot renewal crashes, expired intermediate CAs, and impending certificate expirations before your users get blocked by "Your connection is not private" browser warnings.
Why Automated SSL Monitoring is Essential
With 90-day certificates and upcoming 45-day standards, manual certificate management is a recipe for sudden downtime.
Silent Certbot Failures
A changed firewall rule, rotated Cloudflare API key, or failing ACME challenge can break auto-renewals silently without triggering server errors until the certificate dies.
Broken Intermediate Chains
Serving just the leaf cert without the intermediate bundle might work on cached desktop browsers, but immediately crashes mobile apps, curl, and automated API clients.
Expiring Intermediate CAs
Root and intermediate certificate authorities expire on their own cycles (like Let's Encrypt R3/X3 transitions). ExpiryHawk verifies the entire hierarchy up to trusted roots.
How ExpiryHawk SSL Monitoring Works
Zero agents to install. Enter your domain and let our engine handle the rest.
Automated Discovery
Our Go microservice establishes secure TLS connections to your endpoints on Port 443 (or custom ports) twice every day, simulating real-world browser handshakes.
Deep Cryptographic Audit
We parse the x509 certificate data, SAN hosts, validity timestamps, SHA-256 fingerprints, issuer authority, OCSP stapling records, and TLS cipher protocols.
Staged Proactive Alerting
If a certificate reaches 30, 14, 7, or 1 day without renewal, instant notifications are dispatched via Telegram, Webhook, and Email until resolved.
Test Any SSL Certificate Right Now
Run an instant diagnostic on your domain using our free public tool. No registration or credit card needed.
Frequently Asked Questions
How often does ExpiryHawk check my SSL certificates?
ExpiryHawk automatically scans your registered domains twice daily using our high-concurrency Go microservice. You can also trigger an immediate on-demand re-check at any time from your dashboard.
Does ExpiryHawk support Let's Encrypt and short-lived certificates?
Yes! ExpiryHawk is specifically engineered for 90-day Let's Encrypt certificates and upcoming 45-day automated certificate lifecycles, giving you staged alert warnings at 30, 14, 7, and 1 day remaining.
Can I monitor SSL on non-standard ports like 8443 or 9443?
Yes, you can configure custom ports for every domain or service you monitor, such as port 8443, 9443, or email submission ports like 465 and 993.
Does ExpiryHawk validate the intermediate CA chain?
Yes, our engine validates the complete trust chain from the server leaf certificate through intermediate Certificate Authorities up to the trusted Root CA, warning you of incomplete chains or expired intermediates.
Never suffer from an expired SSL certificate again
Set up automatic SSL monitoring in 60 seconds with up to 20 domains completely free.