SSL/TLS Certificate Lookup

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

openschoolmaps.org

SSL/TLS Certificate

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SSL/TLS Certificate for openschoolmaps.org

Valid
Issued by (CA)
Let's Encrypt
Subject
openschoolmaps.org
Valid from
Jun 12, 2026
Valid until
Sep 10, 2026 (50 days remaining)
Public key
RSA 2048-bit
Serial
05FFC9AE45F9A2DAC51ADD608478C2384DD9
SHA-256 fingerprint
E1:EF:F0:F7:F4:BF:95:48:5C:24:54:08:76:4A:CF:22:94:4E:CB:78:F6:19:16:38:54:69:09:C8:F7:BF:B2:D1
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (1)
openschoolmaps.org

Certificate Authority Authorization (CAA)

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