SSL/TLS Certificate Lookup

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

a-sb.de

SSL/TLS Certificate

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SSL/TLS Certificate for a-sb.de

Valid
Issued by (CA)
Sectigo Limited
Subject
www.a-sb.de
Valid from
May 21, 2026
Valid until
Dec 5, 2026 (137 days remaining)
Public key
RSA 2048-bit
Serial
7990EA6C07177E25554AA5299E80ED8D
SHA-256 fingerprint
6E:30:FE:45:47:55:29:85:BE:57:73:0E:90:40:13:23:6D:B9:4F:39:69:78:D4:10:C2:82:A8:A5:13:31:63:C9
Chain
Sectigo Public Server Authentication CA DV R36 → Sectigo Public Server Authentication Root R46 → USERTrust RSA Certification Authority
Subject Alternative Names (2)
a-sb.de, www.a-sb.de

Certificate Authority Authorization (CAA)

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