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 imp.nz
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- www.imp.nz
- Valid from
- Jul 8, 2026
- Valid until
- Oct 6, 2026 (77 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 05A00EC1A1AE79BE01074C9909065BB4437E
- SHA-256 fingerprint
- 4E:F1:A3:E9:C5:07:9A:56:3B:B8:7C:2B:2D:E0:66:18:B3:63:43:1B:0E:AC:AA:FB:6F:D1:13:17:A9:21:4E:62
- Chain
- YR1 → Root YR → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.