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 dua.com
Valid- Issued by (CA)
- Google Trust Services
- Subject
- dua.com
- Valid from
- Jun 4, 2026
- Valid until
- Sep 2, 2026 (42 days remaining)
- Public key
- EC 256-bit
- Serial
- CF7D542C83B778DF0ECF345A7C5D593C
- SHA-256 fingerprint
- 54:67:27:4E:DB:3F:CA:5C:E4:00:A1:10:5F:9E:18:31:4F:26:7C:EF:F9:B2:00:B8:21:CF:87:B7:0C:C8:FF:53
- Chain
- WE1 → GTS Root R4
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.