CertObserver
Certificate Transparency search with grouped results
Visit certobserver.com →Pricing
CertObserver is a web tool for searching Certificate Transparency logs for TLS certificates. Results can be grouped by SAN set, issuer, or SPKI and sorted by coverage end date, expiry, recency, or count, to help review a domain's certificates and spot missed renewals. It also offers CT issuance alerts and SSL/TLS certificate monitoring with expiration warnings.
- Category
- Security
- Pricing
- freemium · from $9/month
- Free tier
- yes
- API
- no
- MCP server
- no
- SDK
- no
- Open source
- no
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Listed 2026-10-21 · last verified 2026-10-21 · extracted by @cf/zai-org/glm-5.3-flash · confidence 0.9
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API
curl https://toolgrep.com/api/products/certobserver