SSL/TLS Certificate Lookup

Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted

ec2-52-68-20-140.ap-northeast-1.compute.amazonaws.com

SSL/TLS Certificate

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SSL/TLS Certificate for ec2-52-68-20-140.ap-northeast-1.compute.amazonaws.com

Hostname mismatch
Issued by (CA)
Let's Encrypt
Subject
gemskey.com
Valid from
Jun 14, 2026
Valid until
Sep 12, 2026 (53 days remaining)
Public key
EC 256-bit
Serial
06C8D993CAC991269D0E70F6207BC4D9F61E
SHA-256 fingerprint
1E:B9:FB:25:49:A7:D0:44:1B:70:57:6C:58:9D:22:C0:C8:60:34:2E:B7:6D:00:AD:A8:BE:2C:E7:82:83:84:75
Chain
YE1 → Root YE → ISRG Root X2 → ISRG Root X1
Subject Alternative Names (2)
gemskey.com, www.gemskey.com

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 Jul 20, 2026.