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 etu.se
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- www.etu.se
- Valid from
- Jun 8, 2026
- Valid until
- Sep 6, 2026 (46 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 0672C417C48B72679DBE8DF26E3B902BD970
- SHA-256 fingerprint
- E6:2E:0B:8D:1D:83:42:45:66:9F:B9:24:26:BB:79:36:0E:7E:F8:BA:AE:85:04:AC:D3:7F:2A:99:DD:02:B3:C8
- 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.