Domain monitoring

anssl keeps an eye on every domain you manage. Automated checks warn you about expiring certificates, broken chains, or misconfigurations before they cause outages.

Monitoring at a glance

Expiry tracking

• Daily checks — Verify validity windows once per day.
• Smart notifications — Send alerts when certificates approach expiry.
• Visual timeline — See remaining days for every certificate in one dashboard.

Health auditing

Each run validates critical health signals:

• ✅ Certificate status (valid/expired)
• ✅ Chain completeness and intermediates
• ✅ Revocation status
• ✅ Domain name mapping
• ✅ Supported signing algorithms
• ✅ TLS configuration best practices

Add a domain monitor

1. Open the monitoring page

   Navigate to Domain monitoring.

2. Create a monitor

   Click Add monitor and provide:

   • Domain or IP address
   • Port (defaults to 443)

3. Save

   anssl runs the first check immediately and schedules recurring jobs automatically.

Monitoring dashboard

The dashboard surfaces high-level insights and detailed findings.

Key metrics

• Total certificates — Count of monitored hosts.
• Expiring soon — Certificates with fewer than 30 days remaining.
• Expired — Certificates that already lapsed.
• Healthy — Certificates passing every check.

Certificate table

Each tracked domain appears in a sortable table:

Domain	Status	Expires	Days left	Issuer	Actions
example.com	🟢 Healthy	2024-12-31	45	Let’s Encrypt	Details/Renew
staging.com	🟡 Expiring soon	2024-11-15	7	ZeroSSL	Details/Renew
legacy.site	🔴 Expired	2024-10-01	-10	Google Trust Services	Renew