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 bioflag.it

Expired
Issued by (CA)
Let's Encrypt
Subject
*.bioflag.it
Valid from
Nov 26, 2025
Valid until
Feb 24, 2026 (expired 148 days ago)
Public key
EC 256-bit
Serial
06568244E2259230C4A6490CD7514F9429E5
SHA-256 fingerprint
48:FD:15:5C:91:6C:D0:DC:86:B8:26:91:E1:BD:17:CE:47:91:93:F3:E5:FF:B6:76:0D:01:C0:81:7B:CF:6B:1A
Chain
E8 → ISRG Root X1
Subject Alternative Names (1)
*.bioflag.it

Certificate Authority Authorization (CAA)

No CAA policy is published for this domain — any certificate authority may issue for it.

This certificate has been served since Jul 21, 2026.