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 abfu.dk

Valid
Issued by (CA)
Let's Encrypt
Subject
abfu.dk
Valid from
Jun 4, 2026
Valid until
Sep 2, 2026 (44 days remaining)
Public key
EC 256-bit
Serial
06686A53F35323339BD4D413B2C49B295AE1
SHA-256 fingerprint
A5:4E:A0:1C:99:BA:84:2B:3C:C6:BC:A7:C5:F0:CC:67:6F:6D:E8:2B:3B:74:25:3B:7A:B1:7D:D8:F8:64:71:2F
Chain
YE2 → Root YE → ISRG Root X2 → ISRG Root X1
Subject Alternative Names (2)
abfu.dk, www.abfu.dk

Certificate Authority Authorization (CAA)

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