SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
tek-it.de
SSL/TLS Certificate
SSL/TLS Certificate for tek-it.de
Expiring soon- Issued by (CA)
- Let's Encrypt
- Subject
- smurfwoods.net
- Valid from
- May 7, 2026
- Valid until
- Aug 5, 2026 (14 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 06A6CD82924929CF00612DF69D494BB89DCE
- SHA-256 fingerprint
- 26:7D:07:69:82:9E:50:CC:17:F4:0B:A1:26:0A:34:36:EE:24:74:2F:05:4E:FB:BD:9D:BD:40:84:80:B0:AE:DC
- Chain
- R13 → ISRG Root X1
Certificate Authority Authorization (CAA)
The serving CA (Let's Encrypt) is authorized by this domain's CAA records (letsencrypt.org).