SSL/TLS Certificate Lookup

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

planlab.io

SSL/TLS Certificate

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SSL/TLS Certificate for planlab.io

Valid
Issued by (CA)
Let's Encrypt
Subject
planlab.io
Valid from
Jun 17, 2026
Valid until
Sep 15, 2026 (55 days remaining)
Public key
RSA 2048-bit
Serial
05819F3B56E7D56E25286254C1D53FB3A88C
SHA-256 fingerprint
B7:73:52:EE:82:8F:40:18:21:D4:D5:05:10:96:91:A4:6A:2F:73:F7:6B:DE:B8:72:35:5A:9D:5C:76:FD:1F:7E
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (1)
planlab.io

Certificate Authority Authorization (CAA)

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