SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
city-netz.de
SSL/TLS Certificate
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
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.