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 obii.de

Untrusted chain
Issued by (CA)
Let's Encrypt
Subject
obii.de
Valid from
May 21, 2026
Valid until
Aug 19, 2026 (28 days remaining)
Public key
EC 256-bit
Serial
06A6DC6BA380A860E3861411EFD950FD226B
SHA-256 fingerprint
B7:63:BF:E4:FB:A6:B9:AA:64:58:4B:AA:94:8C:39:6C:31:6E:14:6D:35:02:46:DF:2A:59:5D:BE:66:DB:59:78
Chain
Subject Alternative Names (2)
obii.de, www.obii.de

Certificate Authority Authorization (CAA)

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