SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
cac.gov.cn
SSL/TLS Certificate
SSL/TLS Certificate for cac.gov.cn
Self-signed- Issued by (CA)
- Beijing Knownsec Information Technology Co., Ltd
- Subject
- default.ssl.cdn.jiasule.com
- Valid from
- Dec 19, 2025
- Valid until
- Dec 17, 2035 (3435 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 2F45B4499BB9B1530EF2CDD581404F8C3A2F0C9B
- SHA-256 fingerprint
- A6:29:97:7E:D3:5C:A1:E1:07:AE:78:C2:FC:42:79:34:06:9C:7E:4B:6A:93:94:C7:06:73:07:A2:EA:F8:30:EC
- Chain
- ca
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
This certificate has been served since Jul 22, 2026.
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Uptime
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DNS changes
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TLS certificate
We warn you 30, 14, 7, and 1 days before it expires, and flag it if the issuing authority changes or the certificate is unexpectedly replaced.
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