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 trex.is
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- www.trex.is
- Valid from
- Jun 3, 2026
- Valid until
- Sep 1, 2026 (41 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 05B3D69CFFAEC2A881EDEDED45C01A20AE29
- SHA-256 fingerprint
- 88:F1:72:81:25:08:1D:52:54:19:62:96:19:CC:C2:F2:E5:EE:E3:1E:4F:B8:7E:81:30:00:BF:ED:2E:C1:2A:0A
- 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.