Verified65% confidenceFactExact time
All publicly trusted CAs must submit certificate information to at least one CT log when issuing a certificate, so when a new website applies for an SSL certificate, its domain information appears in the public log.
3
Sources
65%
Confidence
Long-term
Relevance
9/11/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedCertificate Transparency (CT) logs are public SSL/TLS certificate logging systems; researchers can discover newly launched subdomains by querying CT logs, even if those subdomains do not appear in DNS records.75% similarUnverifiedDomain validation (DV) is the most basic step in certificate issuance, through which a CA confirms that the applicant has actual control over the target domain.71% similarUnverifiedOnce attackers obtain the intermediate CA's private key, they can issue TLS certificates for arbitrary domains in that CA's name, and end-user browsers and operating systems typically trust intermediate certificates derived from legitimate root CAs.70% similarUnverified合格电子签名（QES）要求由受监管的信任服务提供商颁发数字证书，将公钥与真实身份绑定68% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/894333API
curl https://kongchang.com/api/v1/knowledge/claims/894333MCP
get_claim(id=894333)