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 joona.io
Valid- Issued by (CA)
- Google Trust Services
- Subject
- joona.io
- Valid from
- Jun 8, 2026
- Valid until
- Sep 6, 2026 (47 days remaining)
- Public key
- EC 256-bit
- Serial
- D63C1D11437105870E3DCE7C979CCC26
- SHA-256 fingerprint
- 17:1B:66:63:CB:96:AD:B6:AD:39:A5:8C:65:DF:73:10:94:84:B6:E8:73:6B:74:9C:30:D9:F7:7A:2A:0C:9C:52
- Chain
- WE1 → GTS Root R4
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.