SSL/TLS Certificate Lookup

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

SSL/TLS Certificate for gasto-serwis.pl

Valid
Issued by (CA)
Asseco Data Systems S.A.
Subject
gasto-serwis.pl
Valid from
Feb 5, 2026
Valid until
Feb 5, 2027 (143 days remaining)
Public key
RSA 2048-bit
Serial
47AB65C3B74A3E1DDB2F584359894954
SHA-256 fingerprint
11:47:74:07:FA:A7:2D:45:00:63:3E:E4:09:4F:9B:AF:7F:A0:91:2A:57:D6:AD:19:70:23:CD:14:BE:ED:28:57
Chain
Certum DV TLS G2 R39 CA → Certum Trusted Root CA → Certum Trusted Network CA
Subject Alternative Names (2)
gasto-serwis.pl, www.gasto-serwis.pl

Certificate Authority Authorization (CAA)

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

This certificate has been served since Sep 13, 2026.

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Uptime

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DNS changes

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TLS certificate

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