SSL/TLS Certificate Lookup

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

cfik-klima.com.pl

SSL/TLS Certificate

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SSL/TLS Certificate for cfik-klima.com.pl

Valid
Issued by (CA)
Let's Encrypt
Subject
cfik-klima.com.pl
Valid from
Jun 12, 2026
Valid until
Sep 10, 2026 (51 days remaining)
Public key
RSA 2048-bit
Serial
06D94AA05089B24C7D279348720765C547FB
SHA-256 fingerprint
35:AE:A9:FD:82:92:37:AB:2D:24:03:0C:F3:6B:66:78:7F:F3:9C:11:51:EC:34:0C:C9:47:9B:EE:BB:2B:47:C9
Chain
YR1 → Root YR → ISRG Root X1
Subject Alternative Names (3)
cfik-klima.com.pl, www.cfik-klima.com.pl, www.clickweb1506048.home.pl

Certificate Authority Authorization (CAA)

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