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 extio.de
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- extio.de
- Valid from
- May 31, 2026
- Valid until
- Aug 29, 2026 (39 days remaining)
- Public key
- EC 256-bit
- Serial
- 0694A5687D5D8E8757B57733146D86B73B3C
- SHA-256 fingerprint
- B1:BA:08:B7:D5:A1:0E:72:D8:E6:DC:DE:DE:6F:96:13:60:21:12:63:B8:38:BC:DD:90:73:54:5D:7D:D2:00:84
- Chain
- YE1 → 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.