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 icaisc.eu

Valid
Issued by (CA)
Asseco Data Systems S.A.
Subject
*.icaisc.eu
Valid from
Sep 20, 2026
Valid until
Apr 7, 2027 (196 days remaining)
Public key
RSA 2048-bit
Serial
1E6A548612C466469A9D8E4F3D207A2D
SHA-256 fingerprint
57:E5:47:E4:A9:FE:DD:BE:D3:96:B7:4E:29:B3:41:1C:11:8C:1C:1C:37:86:AC:D4:99:56:84:BD:35:D8:98:94
Chain
Certum DV TLS G2 R39 CA → Certum Trusted Root CA
Subject Alternative Names (2)
*.icaisc.eu, icaisc.eu

Certificate Authority Authorization (CAA)

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

Never get surprised by icaisc.eu's certificate expiring

This is today's certificate. Turn on monitoring and we'll watch icaisc.eu continuously, notifying you the moment anything moves across all three signals:

Uptime

We visit the site from multiple regions worldwide and email you within minutes if it goes down, with a per-region breakdown so a real outage stands out from a regional blip.

DNS changes

We watch NS, MX, CAA, DNSSEC, CNAME and A/AAAA records, and identify the host, network, and ASN behind them, so a real migration or hijack stands out from routine noise.

TLS certificate

We warn you 30, 14, 7, and 1 days before it expires, and flag it if the issuing authority changes or the certificate is unexpectedly replaced.

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