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 dnasec.org

Valid
Issued by (CA)
Let's Encrypt
Subject
dnasec.org
Valid from
Jun 22, 2026
Valid until
Sep 20, 2026 (60 days remaining)
Public key
RSA 2048-bit
Serial
050EBF6C37152B63E15A8641B84D6575386E
SHA-256 fingerprint
B9:37:A2:90:F9:DA:88:8B:AE:2F:5F:0A:99:D3:E7:06:7D:50:38:56:E7:1C:26:3B:0C:36:FF:56:72:47:00:E5
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (1)
dnasec.org

Certificate Authority Authorization (CAA)

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