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 ayup.cn
Valid- Issued by (CA)
- Google Trust Services
- Subject
- ayup.cn
- Valid from
- Jul 6, 2026
- Valid until
- Oct 4, 2026 (74 days remaining)
- Public key
- EC 256-bit
- Serial
- D42DA19EC0B7DE5A139E74CF28F065BF
- SHA-256 fingerprint
- 03:55:5E:01:5D:20:AB:B1:A9:38:A0:22:BE:CD:76:BF:2D:94:47:08:6C:01:A5:BE:95:AF:2C:49:24:0B:B6:E7
- Chain
- WE1 → GTS Root R4
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.