SSL/TLS Certificate Lookup

Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted

itseek.cn

SSL/TLS Certificate

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SSL/TLS Certificate for itseek.cn

Valid
Issued by (CA)
Let's Encrypt
Subject
itseek.cn
Valid from
Jun 30, 2026
Valid until
Sep 28, 2026 (68 days remaining)
Public key
EC 256-bit
Serial
05D197730D54E08D5CCC35C300C0A2A05F66
SHA-256 fingerprint
4E:32:AE:4A:A1:CC:5D:94:B8:06:29:FF:3F:CD:87:AC:78:96:54:91:2F:DC:F1:BC:A3:5B:3B:6B:B7:AE:9C:28
Chain
YE1 → Root YE → ISRG Root X2 → ISRG Root X1
Subject Alternative Names (2)
*.itseek.cn, itseek.cn

Certificate Authority Authorization (CAA)

No CAA policy is published for this domain — any certificate authority may issue for it.