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 guio.it
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- guio.it
- Valid from
- Jun 12, 2026
- Valid until
- Sep 10, 2026 (50 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 05A9AD26905FF2B330DAFE31A61644F43FD4
- SHA-256 fingerprint
- 94:61:74:45:DE:47:D7:DB:0A:14:7F:60:63:59:7A:4C:25:6F:FE:52:59:1C:3E:B3:BB:DD:E3:ED:DA:07:97:30
- 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.