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 aupc.cn
Valid- Issued by (CA)
- Google Trust Services
- Subject
- aupc.cn
- Valid from
- Jul 19, 2026
- Valid until
- Oct 17, 2026 (87 days remaining)
- Public key
- EC 256-bit
- Serial
- B65B20351A1F6CA60ED9BDA23DFE5E91
- SHA-256 fingerprint
- C5:C2:B4:4C:AD:C8:42:40:B6:6C:78:0F:3A:4E:E4:11:63:73:34:CE:6E:D3:6D:CB:57:A8:7D:77:88:94:18:5D
- Chain
- WE1 → GTS Root R4
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.