SSL/TLS Certificate Lookup

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

slowna.pl

SSL/TLS Certificate

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SSL/TLS Certificate for slowna.pl

Valid
Issued by (CA)
Let's Encrypt
Subject
slowna.pl
Valid from
Jul 4, 2026
Valid until
Oct 2, 2026 (73 days remaining)
Public key
EC 384-bit
Serial
059B84C820C09BC64FB982134F6CA0FAF8A5
SHA-256 fingerprint
C8:42:E8:16:A3:34:E0:F3:B9:0F:DE:9A:0E:6B:61:DB:EC:0C:D0:C7:49:87:06:25:87:7B:5A:60:D1:8F:84:5C
Chain
YE2 → Root YE → ISRG Root X2 → ISRG Root X1
Subject Alternative Names (2)
slowna.pl, www.slowna.pl

Certificate Authority Authorization (CAA)

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