SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
alg-gk.de
SSL/TLS Certificate
SSL/TLS Certificate for alg-gk.de
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- alg-foerderverein.de
- Valid from
- May 14, 2026
- Valid until
- Aug 12, 2026 (22 days remaining)
- Public key
- RSA 4096-bit
- Serial
- 05C95A9D5CBF7F121EA284463E641FBD4483
- SHA-256 fingerprint
- 22:A6:50:61:F4:48:18:EC:B4:F3:19:7C:FC:4C:E7:9E:FF:73:A9:DA:78:82:66:14:E4:AC:E5:17:A9:6E:46:DC
- Chain
- R12 → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.