SSL/TLS Certificate Lookup

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

spgw.edu.pl

SSL/TLS Certificate

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SSL/TLS Certificate for spgw.edu.pl

Untrusted chain

Issued by (CA): home.pl S.A.
Subject: spgw.edu.pl
Valid from: Feb 10, 2026
Valid until: Feb 10, 2027 (203 days remaining)
Public key: RSA 2048-bit
Serial: 04929C09195405FDAE18E97B4ECCB3F3
SHA-256 fingerprint: CD:85:EA:4F:29:56:4E:FE:71:75:AB:F7:05:89:E9:AF:34:45:F7:E3:FE:F4:72:98:AD:20:C1:2D:7A:8E:47:FA
Chain: —

Subject Alternative Names (10)

spgw.edu.pl, splk.pl, spmala.pl, www.spgw.edu.pl, www.splk.pl, www.spmala.pl, www.zlobekropczyce.eu, www.zs5ropczyce.pl, zlobekropczyce.eu, zs5ropczyce.pl

Certificate Authority Authorization (CAA)

CAA restricts issuance to certum.pl, letsencrypt.org; we couldn't map the serving CA (home.pl S.A.) to one of these identifiers.