Sign Up for Cert Spotter

Cert Spotter monitors Certificate Transparency logs so you know what certificates you have and when they expire. Free for up to 5 domains.

Avoid costly outages

Cert Spotter helps inventory your certificates so you know when they expire, before you experience a costly outage.

Protect your data and reputation

Cert Spotter detects unauthorized certificates so you can protect yourself from damaging compromises and data theft.

Enforce policy

Cert Spotter provides visibility into your use of key sizes, cryptographic algorithms, and compliance with security policies.


Cert Spotter is free for up to 5 domains. For higher limits, realtime notifications, and other features, see pricing.

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