SSL/TLS Certificate Lookup

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

dtnet.com

SSL/TLS Certificate

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SSL/TLS Certificate for dtnet.com

Hostname mismatch
Issued by (CA)
Sectigo Limited
Subject
*.dtnet.de
Valid from
Dec 10, 2025
Valid until
Jan 10, 2027 (173 days remaining)
Public key
RSA 2048-bit
Serial
2CFB92B83D905BA179093843B4A3D3A7
SHA-256 fingerprint
CF:A3:49:6B:76:12:45:5F:C0:C8:B9:E2:72:BE:66:4B:AA:1C:36:CE:22:9E:DA:77:EF:4E:98:2C:2E:00:81:DB
Chain
Sectigo RSA Domain Validation Secure Server CA → USERTrust RSA Certification Authority
Subject Alternative Names (2)
*.dtnet.de, dtnet.de

Certificate Authority Authorization (CAA)

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