Multi-Domain SSL Certificates

Secure up to 500 different domains and/or subdomains with a single certificate to reduce management overhead and costs.

Multi-Domain SSL/TLS Certificate Options

Multi-Domain UCC/SAN

Secure everything with one certificate
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  • Organization Validation displays your company name in the certificate details
  • Combine Basic SSL and Wildcard entries as Subject Alternative Names (SANs)
  • Secure unlimited subdomains by including wildcard domains as SAN entries
  • $1,250,000 USD Relying Party Warranty
  • Unlimited server licenses, reissuances, and key pairs
  • Ideal for: Multi-site businesses, Microsoft Exchange and Outlook Web Access (OWA) environments, SaaS platforms, web hosting providers, organizations with multiple brands or subsidiaries

Enterprise EV UCC/SAN

Efficiency with the highest trust level
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  • All the benefits of Multi-Domain UCC/SAN SSL Certificate plus:
  • Extended Validation: the highest level of validation available
  • Verified organizational information displayed in certificate details
  • Frequently results in higher sales conversion rates across all protected domains
  • Ideal for: Enterprise organizations with multiple domains, financial services with numerous portals, healthcare systems, large e-commerce operations, global brands with regional sites, and SaaS providers requiring the maximum level of trust

Simplify certificate management with multi-domain certificate solutions

Organizations with multiple websites, Microsoft Exchange environments, or complex hosting infrastructures no longer need to purchase, track, and renew dozens of individual certificates. Multi-domain certificates streamline certificate lifecycle management, simplify server configuration, and reduce the risk of certificate expiration incidents that can cause service disruptions ā€“ backed by a 30-day unconditional money-back guarantee

Quick Comparison

UCC/SAN SSL (OV multi-domain SSL)Enterprise EV UCC/SAN
# of domainsUnlimitedUnlimited
Domain validationYesYes
Organization ValidationYesExtended
Subdomain coverageYes*Yes*
Wildcard CapabilityYesNo
Company Info Displayed in BrowserYesYes
Multi-domain supportYesYes

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Check your domain

The SSL.com SSL/TLS Health Check Monitoring (HCM) service provides a real-time snapshot of your websiteā€™s SSL/TLS certificate installation health.

Why Choose SSL.com for Multi-Domain Certificates?

Unmatched Scalability

Protect up to 500 domains with a single certificateā€”more than most competitors offerā€”giving you room to grow without certificate limits.

Cost Efficiency

Consolidating dozens or hundreds of individual certificates into one UCC/SAN certificate delivers substantial savings on both certificate costs and IT administration time.

Flexible SAN Management

Add, remove, or modify SAN entries through reissuance without purchasing a new certificate, giving you the agility to adapt to infrastructure changes.

Microsoft Exchange Expertise

Our certificates are specifically tested and optimized for Exchange Server environments, with dedicated support for complex Exchange deployments.

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Advanced Management Tools

Ā SSL.com's user portal makes it easy to manage hundreds of SAN entries, track which domains are protected, and handle reissuances efficiently.

Trusted Certificate Authority

As a full-fledged CA, SSL.com is directly trusted by 99% of browsers and devices worldwide, ensuring seamless compatibility.

Validation Flexibility

Choose Organization Validation for verified business identity or step up to Extended Validation for maximum trustā€”all within the same multi-domain framework.

Expert Support

Our certificate specialists understand complex multi-domain architectures and can help you design the optimal SAN structure for your infrastructure.

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