Comodo PositiveSSL Wildcard
GeoTrust QuickSSL Premium
This popular certificate allows you to secure one fully qualified domain name (www or non-www) with up to 256-bit encryption. GeoTrust® is one of the most trusted names in the industry, and your customers will feel instant assurance knowing that your site is protected by such a premium brand. Best of all, the QuickSSL Premium is typically issued in less than 10 minutes, as it requires just simple, domain verification for the validation process. The GeoTrust® QuickSSL Premium is an excellent option for small-to-medium size online businesses that want a more premium brand at a budget-friendly price.
Thawte SSL 123 certificate
Thawte® SSL123 certificates have the fastest issuance time to quickly enable encrypted connections to your web server. This domain-only validation SSL certificate provides up to 256-bit encryption for intranets, mail servers, and other web-based applications that are not at risk for phishing or fraud. SSL123 certificates include domain authentication, the Thawte® Trusted Site Seal and free reissues.