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 city-netz.de

Expiring soon
Issued by (CA)
Let's Encrypt
Subject
city-netz.de
Valid from
May 9, 2026
Valid until
Aug 7, 2026 (16 days remaining)
Public key
RSA 4096-bit
Serial
061F5D487C89620BA6826141F38E199787F3
SHA-256 fingerprint
3A:15:96:FB:67:C4:D0:08:80:7D:0C:82:DD:A4:27:F2:E6:82:46:6D:66:7E:21:8E:70:C9:E7:7E:92:FB:8F:A3
Chain
R13 → ISRG Root X1
Subject Alternative Names (1)
city-netz.de

Certificate Authority Authorization (CAA)

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