DevSecOps
SSL Certificate Expiry Checker
Paste a list of domains with days-remaining values to classify expiry risk in bulk. Returns OK, WARNING (<30 days), CRITICAL (<7 days), or EXPIRED for each entry. Designed for triage of cert inventory exports, not live certificate checking.
No data is transmitted — everything runs locallyTool
About this tool
SSL Certificate Expiry Checker
The SSL Certificate Expiry Checker classifies cert expiry risk in bulk from exported domain and days-remaining data, flagging CRITICAL at 7 days and WARNING at 30 days.
• Triage an exported cert inventory from a monitoring tool
• Identify which certificates need immediate renewal
• Generate a cert expiry risk report for a compliance audit
• Check cert status from a Datadog or Nagios export
Affiliate disclosure
Infrastructure and endpoint visibility. NinjaOne provides unified IT operations monitoring with alerting across your stack.
View certificate monitoring options
External site · Independent provider · We may receive a commission · Not a recommendation
FAQ
What does this tool tell you?
The SSL Certificate Expiry Checker classifies cert expiry risk in bulk from exported domain and days-remaining data, flagging CRITICAL at 7 days and WARNING at 30 days.
What affects the result most?
Days remaining threshold: CRITICAL <7, WARNING <30, OK >30. Expired: days <= 0. Input format: domain|days_remaining.
How should I use the result?
The classification or comparison reflects the criteria built into the tool. If your situation has unusual constraints (tight budget, legacy systems, regulatory requirements), the tool is a starting point — your local context will often shift the right answer.
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