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 sth.nz
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- sth.nz
- Valid from
- May 25, 2026
- Valid until
- Aug 23, 2026 (32 days remaining)
- Public key
- EC 256-bit
- Serial
- 06FD9BF055BEBEF9B8203BA5AF765ED2BB96
- SHA-256 fingerprint
- F3:10:CA:17:29:D3:91:8E:C9:95:A9:C0:A3:CC:91:DB:DA:28:14:55:F2:B5:D2:52:0F:22:9C:A0:F4:DB:F6:C4
- Chain
- E7 → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.