SSL/TLS Certificate Lookup

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

SSL/TLS Certificate for seisac.com

Valid
Issued by (CA)
Sectigo Limited
Subject
*.seisac.com
Valid from
Jun 16, 2026
Valid until
Dec 27, 2026 (159 days remaining)
Public key
RSA 2048-bit
Serial
F021305446A4FB5BE465625E7BF67401
SHA-256 fingerprint
2E:2A:8C:38:F1:00:FE:44:47:67:75:BD:C2:56:7A:25:79:8B:BB:EF:56:B5:08:E2:CF:8B:AE:50:00:14:82:4A
Chain
Sectigo Public Server Authentication CA DV R36 → Sectigo Public Server Authentication Root R46 → USERTrust RSA Certification Authority
Subject Alternative Names (2)
*.seisac.com, seisac.com

Certificate Authority Authorization (CAA)

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