SSL/TLS Certificate Lookup

Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted

flexum.dk

SSL/TLS Certificate

WhoisRDAPDNS RecordsCertificateUptimeDiagnosticsHistoryHide Contact Info

SSL/TLS Certificate for flexum.dk

Valid
Issued by (CA)
Let's Encrypt
Subject
flexum.dk
Valid from
Jul 12, 2026
Valid until
Oct 10, 2026 (81 days remaining)
Public key
EC 384-bit
Serial
05B57024A1809D767FF1E0BA78B1A71C4B10
SHA-256 fingerprint
02:95:9E:85:92:19:EB:96:CA:50:2E:4E:77:16:91:E8:A6:93:9C:1F:33:9B:E8:8F:DB:7F:28:38:59:32:BA:89
Chain
YE2 → Root YE → ISRG Root X2 → ISRG Root X1
Subject Alternative Names (2)
*.flexum.dk, flexum.dk

Certificate Authority Authorization (CAA)

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