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 transocean.dk

Hostname mismatch
Issued by (CA)
Let's Encrypt
Subject
arte-vivendi.com
Valid from
Jun 15, 2026
Valid until
Sep 13, 2026 (54 days remaining)
Public key
RSA 2048-bit
Serial
067AF65DDB0B90A0B443E95577A55D6749D6
SHA-256 fingerprint
4B:0B:83:83:DA:D0:A1:B5:68:53:B7:FB:C3:06:19:27:76:C3:53:F9:77:5F:0E:9C:93:E3:ED:43:25:64:40:6E
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (2)
arte-vivendi.com, www.arte-vivendi.com

Certificate Authority Authorization (CAA)

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