SSL/TLS Certificate Lookup

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

rozmach.pl

SSL/TLS Certificate

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SSL/TLS Certificate for rozmach.pl

Valid
Issued by (CA)
Let's Encrypt
Subject
ftp.rozmach.pl
Valid from
Jul 3, 2026
Valid until
Oct 1, 2026 (72 days remaining)
Public key
EC 384-bit
Serial
05761FF2CB2F6BE909DB806C68078AC39026
SHA-256 fingerprint
05:50:FD:DC:52:AC:8C:EC:E2:60:53:44:F3:74:ED:C3:26:53:E7:F8:53:55:A6:60:CE:D7:F0:8D:98:06:6F:EE
Chain
YE1 → Root YE → ISRG Root X2 → ISRG Root X1
Subject Alternative Names (6)
ftp.rozmach.pl, mail.rozmach.pl, pop.rozmach.pl, rozmach.pl, smtp.rozmach.pl, www.rozmach.pl

Certificate Authority Authorization (CAA)

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