if trustDomain == "" {
		for _, uri := range cert.URIs {
			if uri.Scheme == "spiffe" {
				trustDomain = uri.Host
			}
		}
	}

	today := time.Now()
	return SecretMeta{
		SerialNumber: fmt.Sprintf("%x", cert.SerialNumber),
		NotAfter:     cert.NotAfter.Format(time.RFC3339),
		NotBefore:    cert.NotBefore.Format(time.RFC3339),
		Type:         certType,

		if !hasUnknownTrustDomain {
			fmt.Fprintf(tw, "%s\t%s\t%s\t%t\t%s\t%s\t%s\t%s\n",
				s.Name, s.Type, s.State, s.Valid, s.SerialNumber, s.NotAfter, s.NotBefore, s.SecretMeta.TrustDomain)
		} else {
			fmt.Fprintf(tw, "%s\t%s\t%s\t%t\t%s\t%s\t%s\n",
				s.Name, s.Type, s.State, s.Valid, s.SerialNumber, s.NotAfter, s.NotBefore)
		}
	}
	return tw.Flush()
}