SSL/TLS Certificate Lookup

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

dtnsm.com

SSL/TLS Certificate

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SSL/TLS Certificate for dtnsm.com

Valid
Issued by (CA)
Sectigo Limited
Subject
www.dtnsm.com
Valid from
Feb 9, 2026
Valid until
Feb 9, 2027 (203 days remaining)
Public key
RSA 2048-bit
Serial
12624E82CB3115CAED6B78174C616FAB
SHA-256 fingerprint
D6:6C:9F:D5:4E:00:A2:3B:63:E0:40:B1:51:EB:A0:36:02:E3:A2:C3:A7:11:50:AC:0C:0C:06:FA:A7:D8:E6:70
Chain
Sectigo RSA Domain Validation Secure Server CA → USERTrust RSA Certification Authority
Subject Alternative Names (2)
dtnsm.com, www.dtnsm.com

Certificate Authority Authorization (CAA)

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