SSL/TLS Certificate Lookup

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

lternet.edu

SSL/TLS Certificate

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SSL/TLS Certificate for lternet.edu

Valid
Issued by (CA)
Let's Encrypt
Subject
lternet.edu
Valid from
Jun 21, 2026
Valid until
Sep 19, 2026 (59 days remaining)
Public key
RSA 2048-bit
Serial
05FEB8C12881C4C61825EB858C0974B82BE4
SHA-256 fingerprint
73:65:72:56:DF:46:B3:7B:53:12:67:B4:FF:15:67:69:A0:4C:3A:7E:F5:5B:62:82:66:85:65:96:49:2E:EC:ED
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (2)
*.lternet.edu, lternet.edu

Certificate Authority Authorization (CAA)

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