SSL/TLS Certificate Lookup

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

gerontotechnik.de

SSL/TLS Certificate

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SSL/TLS Certificate for gerontotechnik.de

Valid
Issued by (CA)
Let's Encrypt
Subject
gerontotechnik.de
Valid from
Jul 10, 2026
Valid until
Oct 8, 2026 (79 days remaining)
Public key
RSA 2048-bit
Serial
05CBC7BDF14E6BE944EE1B6582B9E32DE95B
SHA-256 fingerprint
C1:85:96:C4:06:49:15:09:38:15:06:D4:4E:39:DE:18:5A:10:83:E0:45:5D:47:B4:9D:F2:44:56:71:A3:35:0F
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (3)
gerontotechnik.de, webmail.gerontotechnik.de, www.gerontotechnik.de

Certificate Authority Authorization (CAA)

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