1. Domain Validation (DV) SSL Certificate: This is the most basic type of SSL Certificate, and it only verifies that the domain is owned by the applicant. An example of a DV SSL Certificate is the Comodo PositiveSSL Certificate.
2. Organization Validation (OV) SSL Certificate: This type of SSL Certificate verifies the ownership of the domain, as well as the legitimacy of the organization. An example of an OV SSL Certificate is the Comodo PositiveSSL Wildcard Certificate.
3. Extended Validation (EV) SSL Certificate: This type of SSL Certificate requires a more extensive verification process, and it provides the highest level of trust. An example of an EV SSL Certificate is the Comodo EV SSL Certificate.
4. Multi-Domain SSL Certificate: This type of SSL Certificate allows the applicant to secure multiple domains with a single certificate. An example of a Multi-Domain SSL Certificate is the Comodo Unified Communications Certificate.
5. Wildcard SSL Certificate: This type of SSL Certificate allows the applicant to secure an unlimited number of subdomains with a single certificate. An example of a Wildcard SSL Certificate is the Comodo PositiveSSL Wildcard Certificate.