SSL/TLS Certificate Lookup

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

lookla.com

SSL/TLS Certificate

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SSL/TLS Certificate for lookla.com

Valid
Issued by (CA)
Let's Encrypt
Subject
lookla.com
Valid from
Jul 10, 2026
Valid until
Oct 8, 2026 (78 days remaining)
Public key
EC 256-bit
Serial
05E0E138DF78E22D0F70751EE539C2AE56B0
SHA-256 fingerprint
0E:21:38:FB:74:73:A0:FC:26:FE:37:6E:1C:3E:04:37:50:A5:3C:96:37:CD:02:4C:69:AB:3D:A9:DE:A3:8C:E2
Chain
YE1 → Root YE → ISRG Root X2
Subject Alternative Names (2)
*.lookla.com, lookla.com

Certificate Authority Authorization (CAA)

No CAA policy is published for this domain — any certificate authority may issue for it.