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 denc.cn
Hostname mismatch- Issued by (CA)
- TrustAsia Technologies, Inc.
- Subject
- portal.cnkuai.com
- Valid from
- May 22, 2026
- Valid until
- Aug 20, 2026 (30 days remaining)
- Public key
- EC 256-bit
- Serial
- 3C480B38533EF18369123F9D59CAF01435343993
- SHA-256 fingerprint
- 4A:E3:07:43:24:65:D7:5E:04:40:FC:B2:E6:BA:49:AA:AB:75:79:B6:35:AD:AA:76:FB:B3:C3:62:89:6C:76:8F
- Chain
- LiteSSL ECC CA 2025 → TrustAsia TLS ECC Root CA → Certum Trusted Network CA
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.