SSL/TLS Certificate Lookup

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

simkova.sk

SSL/TLS Certificate

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SSL/TLS Certificate for simkova.sk

Valid
Issued by (CA)
Let's Encrypt
Subject
simkova.sk
Valid from
May 23, 2026
Valid until
Aug 21, 2026 (30 days remaining)
Public key
RSA 4096-bit
Serial
061A61CAC5C18E098DDB90E3F5C3DE43E762
SHA-256 fingerprint
B0:93:81:3A:B7:84:D3:17:8D:E2:38:48:58:99:B2:8D:0D:FA:36:F2:45:72:D4:EB:65:84:77:80:8B:45:2B:BF
Chain
R12 → ISRG Root X1
Subject Alternative Names (2)
*.simkova.sk, simkova.sk

Certificate Authority Authorization (CAA)

The serving CA (Let's Encrypt) is authorized by this domain's CAA records (letsencrypt.org).