SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
SSL/TLS Certificate for gp66.cn
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- gp66.cn
- Valid from
- Jun 4, 2026
- Valid until
- Sep 2, 2026 (43 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 0606B63F26AE02CDBC2CAF05045D66FF2591
- SHA-256 fingerprint
- A0:8E:37:03:2D:41:F7:B8:E2:0F:25:CB:9E:53:B7:2B:58:16:63:FA:FB:B1:BD:06:68:41:E5:F0:88:4D:F6:06
- Chain
- YR2 → Root YR → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.