SSL/TLS Certificate Lookup

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

dpflumm.ch

SSL/TLS Certificate

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SSL/TLS Certificate for dpflumm.ch

Valid
Issued by (CA)
Let's Encrypt
Subject
www.dpflumm.ch
Valid from
Jun 19, 2026
Valid until
Sep 17, 2026 (58 days remaining)
Public key
RSA 2048-bit
Serial
0552A9E64D68DA671FA72B8B65DEB1880566
SHA-256 fingerprint
9E:A9:A3:FB:67:B8:2B:91:58:1A:12:64:F5:B7:F6:79:11:EF:97:36:10:C3:BA:31:5B:78:07:C0:E0:20:2A:08
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (2)
dpflumm.ch, www.dpflumm.ch

Certificate Authority Authorization (CAA)

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