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 asso.it
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- webmail.asso.it
- Valid from
- Jun 5, 2026
- Valid until
- Sep 3, 2026 (43 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 057048F6F8779492CC49D1506653A2EBC279
- SHA-256 fingerprint
- 4F:FF:F4:9B:44:3E:D4:BD:3C:2F:D4:03:FB:26:08:0F:CB:81:67:7B:EC:B9:82:6C:15:B0:74:2E:50:6E:EE:B0
- 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.