MonSPHERE
Security & Domains

SSL Monitoring

Certificate expiry alerts long before anything breaks.

An SSL monitor connects to your host, reads the certificate and alerts when fewer than the days you choose remain — plus a failing check if the certificate stops verifying.

SSL monitor dashboard: certificate validity and days to expiry, uptime overview and response time by probe location

What it detects

  • Certificates close to expiry
  • Certificates that no longer verify
  • The exact expiry date, shown on the monitor

How you're alerted

  • A ready-made “SSL Expiration” rule is attached automatically.

Notifications go to any of 8 channels — see notifications.

Runs from
Every probe region you assign — down only when all of them agree
Threshold
Alert when fewer than N days remain (14 by default in the app)
Dashboard
Certificate validity and days to expiry, subject, issuer and fingerprint, TLS version, uptime and response time per probe location
Available on
Free, Professional · Enterprise and Custom on request

Start monitoring everything in minutes

Create a free account, add your first check and get alerted the moment something breaks — no credit card required.