SSL/TLS Certificate Lookup

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

igkb.de

SSL/TLS Certificate

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SSL/TLS Certificate for igkb.de

Valid

Issued by (CA): Let's Encrypt
Subject: igkb.org
Valid from: Jun 16, 2026
Valid until: Sep 14, 2026 (54 days remaining)
Public key: RSA 2048-bit
Serial: 066614C5CC802CD99284370AF5EC87AC41AB
SHA-256 fingerprint: D3:D8:97:DC:B5:D7:36:4C:2F:1E:0F:05:05:60:10:E1:74:E8:7E:4F:76:6F:15:9C:54:1A:87:AB:FA:DC:E6:E6
Chain: YR1 → Root YR → ISRG Root X1

Subject Alternative Names (13)

badewasserqualitaet.de, igkb.at, igkb.ch, igkb.com, igkb.de, igkb.org, webmail.igkb.org, www.badewasserqualitaet.de, www.igkb.at, www.igkb.ch, www.igkb.com, www.igkb.de, www.igkb.org

Certificate Authority Authorization (CAA)

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