SSL/TLS Certificate Lookup

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

busoft.de

SSL/TLS Certificate

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SSL/TLS Certificate for busoft.de

Valid
Issued by (CA)
Let's Encrypt
Subject
busoft.de
Valid from
Jul 7, 2026
Valid until
Oct 5, 2026 (75 days remaining)
Public key
RSA 4096-bit
Serial
05ED74AB635349CDCC3F61EAF479472DFE67
SHA-256 fingerprint
20:54:FD:06:35:DD:E0:7D:6A:49:6D:26:20:2E:6E:97:C1:1E:CD:AD:ED:B8:C1:A6:9F:63:0C:BC:3E:90:4F:28
Chain
YR1 → Root YR → ISRG Root X1
Subject Alternative Names (2)
busoft.de, www.busoft.de

Certificate Authority Authorization (CAA)

The serving CA (Let's Encrypt) is authorized by this domain's CAA records (letsencrypt.org).