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Types of SSL Certificates: DV, OV, and EV Explained

SSL certificates come in different validation levels. Understanding the differences helps you choose the right one for your needs.

Domain Validation (DV) SSL

What it verifies: You control the domain

Validation process: Automated, usually via email or DNS record

Issuance time: Minutes

Best for: Blogs, personal sites, small businesses

Visual indicator: Padlock icon

Cost: Free (Let's Encrypt) or low-cost

Organization Validation (OV) SSL

What it verifies: Domain ownership + organization exists

Validation process: CA verifies business registration documents

Issuance time: 1-3 business days

Best for: Business websites, organizations

Visual indicator: Padlock icon (organization name visible in certificate details)

Cost: Moderate

Extended Validation (EV) SSL

What it verifies: Domain + organization + legal existence + operational existence

Validation process: Rigorous vetting including phone verification

Issuance time: 1-5 business days

Best for: E-commerce, banks, high-trust sites

Visual indicator: Padlock + organization name in some browsers

Cost: Higher

Special SSL Types

Wildcard SSL

Secures a domain and all subdomains with one certificate.

  • Example: *.yourdomain.com covers www, mail, shop, blog, etc.
  • Available in DV and OV versions
  • Cost-effective for multiple subdomains

Multi-Domain SSL (SAN/UCC)

Secures multiple different domains with one certificate.

  • Example: yourdomain.com, yourdomain.net, otherdomain.com
  • Typically covers 3-100 domains
  • Simplifies certificate management

Which SSL Should You Choose?

Website Type Recommended SSL
Personal blog Free DV (Let's Encrypt)
Small business DV or OV
E-commerce store OV or EV
Bank / Financial EV
Multiple subdomains Wildcard
Multiple domains Multi-Domain (SAN)