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 deubner-verlag.de

Valid
Issued by (CA)
Let's Encrypt
Subject
www.deubner-verlag.de
Valid from
Jun 6, 2026
Valid until
Sep 4, 2026 (39 days remaining)
Public key
EC 256-bit
Serial
05B10761888BC44F786E56E77AA4060A4855
SHA-256 fingerprint
2F:E6:4E:BE:C2:7A:DF:BD:27:7E:A3:43:3F:9A:ED:4A:49:DE:8B:34:6B:0C:72:77:A5:14:B4:29:FD:1A:E5:3A
Chain
YE1 → Root YE → ISRG Root X2 → ISRG Root X1
Subject Alternative Names (3)
deubner-verlag.de, www.deubner-verlag.de, www2.deubner-verlag.de

Certificate Authority Authorization (CAA)

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TLS certificate

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