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 5aa.de

Hostname mismatch
Issued by (CA)
Let's Encrypt
Subject
server.disque.biz
Valid from
May 27, 2026
Valid until
Aug 25, 2026 (36 days remaining)
Public key
RSA 2048-bit
Serial
05CBE8DCF0FDC0DFD78FDE414B29F0B23757
SHA-256 fingerprint
49:7E:A5:8D:A3:28:C5:48:53:1B:62:B7:7D:6F:04:43:6E:0D:F1:33:E3:81:58:30:A1:3A:6D:73:93:1A:A6:D7
Chain
R12 → ISRG Root X1
Subject Alternative Names (2)
server.disque.biz, server.disque.de

Certificate Authority Authorization (CAA)

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