SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
frustfrei-lernen.de
SSL/TLS Certificate
SSL/TLS Certificate for frustfrei-lernen.de
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- www.frustfrei-lernen.de
- Valid from
- Jun 24, 2026
- Valid until
- Sep 22, 2026 (63 days remaining)
- Public key
- EC 256-bit
- Serial
- 0525D9F44DEF685FD4BF5AD8421812C0F010
- SHA-256 fingerprint
- 7F:1A:3D:DB:3F:95:E3:C6:BC:CD:18:BE:FA:5A:49:9E:1E:B1:AD:3A:1F:27:4B:A2:46:1A:04:46:05:66:A3:82
- Chain
- YE2 → Root YE → ISRG Root X2 → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.