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 semm1.com

Valid
Issued by (CA)
ZeroSSL GmbH
Subject
semm1.com
Valid from
Jun 2, 2026
Valid until
Aug 31, 2026 (40 days remaining)
Public key
EC 384-bit
Serial
70F7593E52C4863DD1F457C709CFF787
SHA-256 fingerprint
67:76:2B:CD:0C:4C:38:CA:8F:7B:E3:F2:BF:0A:2D:BF:D1:4C:6C:C2:09:C1:64:72:89:17:36:F9:C7:2D:23:71
Chain
ZeroSSL ECC DV SSL CA 2 → Sectigo Public Server Authentication Root E46 → USERTrust ECC Certification Authority
Subject Alternative Names (2)
*.semm1.com, semm1.com

Certificate Authority Authorization (CAA)

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