SSL/TLS Certificate Lookup

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

optinet.se

SSL/TLS Certificate

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SSL/TLS Certificate for optinet.se

Valid
Issued by (CA)
Let's Encrypt
Subject
www.optinet.se
Valid from
Jul 16, 2026
Valid until
Oct 14, 2026 (86 days remaining)
Public key
RSA 2048-bit
Serial
05D72CFCACB291D42E2979EEBEBB7E48707F
SHA-256 fingerprint
08:C5:F6:EC:57:98:0B:09:FB:80:F6:5C:E0:60:23:38:5C:76:28:64:FF:19:CB:33:BB:DB:92:20:31:35:D5:E4
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (2)
optinet.se, www.optinet.se

Certificate Authority Authorization (CAA)

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