SSL/TLS Certificate Lookup

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

sse.com.pl

SSL/TLS Certificate

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SSL/TLS Certificate for sse.com.pl

Valid
Issued by (CA)
Asseco Data Systems S.A.
Subject
*.sse.com.pl
Valid from
Jul 15, 2026
Valid until
Jan 30, 2027 (192 days remaining)
Public key
RSA 4096-bit
Serial
49BB2A3C51D8F3E4C7FB39F8679320D8
SHA-256 fingerprint
8C:CE:CA:58:DF:C4:20:E0:75:CD:82:0F:A5:76:55:23:FF:F6:CE:C5:AE:46:5A:11:C8:D9:5C:E7:FA:BE:4D:1A
Chain
Certum DV TLS G2 R39 CA → Certum Trusted Root CA → Certum Trusted Network CA
Subject Alternative Names (2)
*.sse.com.pl, sse.com.pl

Certificate Authority Authorization (CAA)

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