SSL/TLS Certificate Lookup

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

mattson.com

SSL/TLS Certificate

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SSL/TLS Certificate for mattson.com

Valid
Issued by (CA)
GoDaddy.com
Subject
mattson.com
Valid from
Jun 16, 2026
Valid until
Sep 14, 2026 (54 days remaining)
Public key
RSA 2048-bit
Serial
FB9259519A58BAE0
SHA-256 fingerprint
E2:38:53:30:3C:09:A2:FC:33:BE:8B:F3:C2:09:D5:5A:54:11:A9:AD:8D:4B:39:D0:1B:FA:AC:08:BF:3B:48:24
Chain
GoDaddy TLS Intermediate CA DV - R1v1 → GoDaddy TLS Root CA - R1 → Go Daddy Root Certificate Authority - G2
Subject Alternative Names (2)
mattson.com, www.mattson.com

Certificate Authority Authorization (CAA)

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