DigiCert Certificates

Premier, trusted CAOffering security from the world's most trusted roots.

New! Flexible Product
Build the certificate you need.

DigiCert Secure Site Pro SSL (FLEX)

The industry's premier OV SSL certificate—now with more FLEXibility

DigiCert Secure Site Pro SSL (FLEX)


Important! To ensure the most up-to-date security that meets the latest browser requirements, you'll need to re-issue your certificate (at no cost to you) once per year. Don't worry, we'll send you an email reminder 30 days in advance! More details...

Validation Type: OV Reissue: Unlimited Issuance: 2 hours Warranty: $2,000,000

Business Validated SSL
Mobile Friendly SSL Certificate
No Green Address Bar
Address Bar

SSL Store Rating

Multi-Domain SSL Rating

Site Seal


Product Summary

  • No IconHighest Level of Validation
  • Yes IconSite Seal: Dynamic, Digicert Seal
  • Yes IconPost-Quantum Resistant
  • Yes IconSAN-Enabled
  • Yes IconServer Licensing: Unlimited
  • Yes IconVulnerability Assessment
  • Yes IconMalware Scan
  • Yes IconWildcard-Enabled
  • Yes IconCertCentral® Mgmt. Platform
  • Yes IconPriority Support
  • Yes IconPriority Validation
  • Yes IconInstant Issuance

Calling this simply an SSL certificate is not doing it justice—the DigiCert Secure Site Pro Flex SSL Certificate comes with a wide range of features and add-ons to secure your site and help you stand out from competitors. That includes the new flex feature—you can add up to 250 standard or wildcard domains at any time. Now, later, whenever! This means you can mix and match however many standard and wildcard domains you need to make the most affordable combination to exactly meet your needs.

In addition to this FLEXibility, you are getting a list of features and security you can’t get with any other SSL certificate line:

  • Business-level validation SSL certificate from the premier CA, DigiCert
  • Backed by the universally trusted DigiCert roots
  • Free DigiCert site seal
  • Post quantum cryptography enabled
  • CT log monitoring

This is an SSL certificate that gives you peace of mind knowing that you are covered AND shows your users that your site is a website they can trust.

Flex vs. Multi-Domain Wildcard

The DigiCert Secure Site Pro Flex SSL Certificate’s unbelievable range of FLEXibility is surely impressive. However, it might have you thinking "this is the same as a multi-domain wildcard SSL certificate." Well, there are a few similarities, but there are some important differences:.

DigiCert Secure Site Pro Flex SSL Certificate Multi-Domain Wildcard SSL Certificate
Mix & match! You can have some standard domains, some wildcard domains – creating a suite of domains in the most affordable combination that fits your needs. All domains (except for the main domain) are wildcards – limiting your flexibility to find the most affordable combination for you.
You can start with 1 or 2 domains and add more domains later as you need them. Typically starts with a group of 3 domains with the option to add more later.
You have the option to make your main domain a wildcard at the moment of purchase. Main domain must be a standard domain, which means you will need to add your main domain as a SAN for it to be wildcard.


Assurance & Authentication

With this being an organization validation (OV) SSL certificate, there will be a light business vetting process you must go through to get validated. This won’t be overly rigorous as you will only need to get a few items verified, such as your domain, phone number and locality. DigiCert is so good at what they do – they can have this certificate issued to you in as little as 2 hours! And you will be on your way to having a business-level validated website in no time!

Mobile & Browser Compatibility

Compatible Browsers:
  • Chrome 3+ (above)
  • Opera 7+ (above)
  • Safari all browsers
  • Firefox 1+ (above)
  • Netscape 9+ (above)
  • IE 5+ (above)
  • AOL 10+ (above)
Mobile compatibilities include:
  • Microsoft Pocket Internet Explorer
  • Palm / Handspring Blazer 2.0+
  • Apple iPhone, iPad, Safari
  • NTT Do Co Mo
  • Microsoft Internet Explorer Smartphone 2003
  • Sony Playstation Portable
  • Sony Netjuke Audio
  • Netfront 3.0+
  • Blackberry
  • AT&T
  • Openwave
  • Brew
  • Vodaphone

Notable Features

Feature & Benefits
  • Organization Validation (OV) Certificate acts as a higher symbol of trust for visiting users
  • Displays verified organization information in the certificate details
  • Flex features allows you to secure up to 250 standard or wildcard domains now or later!
  • FREE DigiCert Site Seal
  • Priority Validation & Support
  • Installation Checker
  • $2,000,000 Warranty Protection
  • 99.9% Browser and Mobile Recognition Rate
  • Vulnerability Assessment
  • Unlimited FREE Self-Service Reissues
  • Unlimited Server Licenses
  • 30-day Money Back Guarantee!
  • Supports RSA & ECC
  • Post-Quantum ready

Product Specifications

Product Specification
  • X.509 Digital Certificate
  • Organization Validation SSL Certificate
  • Key size: 2048-bit RSA or ECC
  • Symmetric 256-bit encryption
  • SHA-2 Hashing Algorithm (256, 384, 512)
  • Co-Signed with Post-Quantum Cryptosystem

Trusted and Established Brands

DigiCert is the premier brand for a reason. With 97 of the 100 top global banks entrusting DigiCert with their security needs, there is no questioning DigiCert’s effectiveness and commitment to providing the most quality products possible. You want the DigiCert name backing your website!

The SSL Store is extremely excited to have DigiCert products under our umbrella. As an elite platinum partner, we have the ability to provide their products at incredible prices. We are SO confident in our prices and products, we offer a Best Price AND 30-Day Money Back Guarantee!!

Installation & Technical Support

CSR Generator Tool
Instructions for Generating a CSR

Get step-by-step instructions for generating a CSR for this product and your server. Simply select your server and then follow the instructions.


Installation Instructions

You can find out very detailed instructions for installing this product on your specific server. All you have to do is pick what server you would like to install it on.


Installation Instructions
InstantSSL Site Seal
Site Seal Installation

If your product comes with a site seal, you can find out exactly how to get it on your site right here.

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Submit a Support Ticket

If you'd like us to answer any of your questions or resolve some of your issues, go ahead and just raise a support ticket and we'll respond ASAP.

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SSL Store Live Support
Frequently Asked Questions

You can get quick answers to the most popular SSL questions. If you don't see what you're looking for, just contact us via live chat or give us a quick ring!

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