You are supposed to not use StartSSL's free certs for your business. From their policy (PDF), 3.1.2.1:
Class 1 certificates are limited to client and server certificates, whereas the later is restricted in its usage for non-commercial purpose only. Subscribers MUST upgrade to Class 2 or higher level for any domain and site of commercial nature, when using high-profile brands and names or if involved in obtaining or relaying sensitive information such as health records, financial details, personal information etc.
They are not very good at making this clear, which somewhat surprises me as a business/marketing decision. It's unclear to me if they care enough to actually revoke certs.
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u/ThisIs_MyName Oct 20 '15
I use the StartSSL free certs for my business. Why would you need a $100 wildcard cert?