SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
hkgroup-sy.com
SSL/TLS Certificate
SSL/TLS Certificate for hkgroup-sy.com
Expired- Issued by (CA)
- Let's Encrypt
- Subject
- hkgroup-sy.com
- Valid from
- Apr 21, 2026
- Valid until
- Jul 20, 2026 (expired 68 days ago)
- Public key
- RSA 2048-bit
- Serial
- 059ABEE2F9ED1235070F716CAFA95C62E52A
- SHA-256 fingerprint
- 6B:8A:DF:39:1D:18:B7:F4:D3:18:76:32:23:BE:6F:A2:9E:03:90:8E:75:00:59:41:7B:88:07:72:9A:1C:B1:2E
- Chain
- R12 → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
This certificate has been served since Sep 23, 2026.
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Uptime
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DNS changes
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TLS certificate
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