SSL/TLS Certificate Lookup

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

zacjohnson.com

SSL/TLS Certificate

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SSL/TLS Certificate for zacjohnson.com

Valid
Issued by (CA)
Let's Encrypt
Subject
zacjohnson.com
Valid from
May 24, 2026
Valid until
Aug 22, 2026 (31 days remaining)
Public key
EC 256-bit
Serial
05100BD6331494E28BF23DB7D00E25CBF135
SHA-256 fingerprint
B2:91:07:4C:D6:63:D3:42:FF:24:02:40:8A:F3:DD:93:89:A4:14:B6:3C:80:92:0E:3A:50:4A:96:B6:8D:27:4E
Chain
E7 → ISRG Root X1
Subject Alternative Names (2)
www.zacjohnson.com, zacjohnson.com

Certificate Authority Authorization (CAA)

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