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 narbe-dortmund.de

Valid
Issued by (CA)
Let's Encrypt
Subject
narbe-dortmund.de
Valid from
Oct 22, 2026
Valid until
Jan 20, 2027 (74 days remaining)
Public key
RSA 2048-bit
Serial
061CB82DD33069A45C8EFBBA29B273C45415
SHA-256 fingerprint
18:47:67:F5:72:15:F3:DA:EE:AE:6F:CE:3A:C9:A4:3A:17:A8:9D:AA:88:61:96:52:CB:92:F4:F1:14:E6:AB:46
Chain
YR1 → Root YR → ISRG Root X1
Subject Alternative Names (2)
*.narbe-dortmund.de, narbe-dortmund.de

Certificate Authority Authorization (CAA)

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TLS certificate

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