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 dcsc.hk
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- *.dcsc.hk
- Valid from
- Jul 19, 2026
- Valid until
- Oct 17, 2026 (87 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 053FE073ABE700BE3A2BB744AC474CBBE7E3
- SHA-256 fingerprint
- 48:47:8E:F3:9A:6E:07:25:AB:59:79:A6:B1:0A:BA:68:11:AF:9B:12:75:DD:2E:70:EC:F9:7F:EA:0D:F5:72:D8
- Chain
- YR2 → Root YR → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.