SSL/TLS Certificate Lookup

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

o-ring.ch

SSL/TLS Certificate

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SSL/TLS Certificate for o-ring.ch

Valid
Issued by (CA)
Let's Encrypt
Subject
georg-rutz.ch
Valid from
Jul 6, 2026
Valid until
Oct 4, 2026 (75 days remaining)
Public key
RSA 2048-bit
Serial
056781FC9BF13BB94F9CC347F4E5AF4AF5DF
SHA-256 fingerprint
6F:D2:37:EB:80:3F:37:90:23:BC:4E:D7:49:DC:55:F4:D0:63:E9:71:E7:57:F3:5B:5D:2C:47:EB:C3:C6:A2:D6
Chain
YR1 → Root YR → ISRG Root X1
Subject Alternative Names (16)
georg-rutz.ch, georgrutz.ch, georgrutzag.ch, keilriemen.ch, keramikkugellager.ch, o-ring.ch, shop.georg-rutz.ch, technischer-handel.ch, www.georg-rutz.ch, www.georgrutz.ch, www.georgrutzag.ch, www.keilriemen.ch, www.keramikkugellager.ch, www.o-ring.ch, www.shop.georg-rutz.ch, www.technischer-handel.ch

Certificate Authority Authorization (CAA)

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