The Comodo EssentialSSL Wildcard is a Organization Validated (OV) SSL/TLS certificate from Comodo, priced from around $140.00/year, designed to secure a domain and unlimited subdomains. Comodo (issued today under the Sectigo root) has one of the widest and most granular certificate lineups in the industry, spanning budget PositiveSSL products up through EnterpriseSSL Pro, which makes it easy to find a close match for almost any validation and domain-coverage need.
What the Comodo EssentialSSL Wildcard Actually Does
The certificate authority verifies your business is a real, registered entity before issuing the certificate, in addition to confirming domain control. This typically takes one to a few business days and lets you display verified organization details. It secures your main domain plus an unlimited number of first-level subdomains (e.g. mail.yourdomain.com, shop.yourdomain.com) under a single certificate issued to *.yourdomain.com.
Core specifications:
- Validation level: Organization Validated (OV)
- Domain coverage: a domain and unlimited subdomains
- Encryption: industry-standard up to 256-bit
- Browser and device trust: recognized by all major browsers and operating systems
- Reissuance: free reissues for the certificate's active period if server details change
- Warranty: backed by a certificate authority warranty that compensates end users in the rare event of mis-issuance
Why the Validation Level Matters
Organization Validation exists specifically to close that gap: a visitor (or a technically curious one, at least) can click into the certificate details and see your registered business name, not just a generic "connection is secure" message. That matters more in B2B contexts, for sites collecting sensitive information, and for any business where a skeptical visitor might specifically check who they're dealing with before proceeding.
Who the Comodo EssentialSSL Wildcard Is For
- Established businesses with multiple subdomains that also want verified organization identity displayed
- Mid-sized companies consolidating subdomain coverage without sacrificing business vetting
- Platforms issuing subdomains where some visibility into verified ownership matters to partners or enterprise customers
For a simple personal or small site with subdomains but no need for business verification, a DV wildcard will be cheaper and faster.
Example Scenario
A regional accounting firm, running its site at accountingpartners.com, needs to secure a main domain plus several subdomains (mail. and support. prefixes among them). It wants visitors — and its enterprise clients doing due diligence — to see a verified company name on the certificate. After completing the organization validation paperwork, it installs the Comodo EssentialSSL Wildcard and has the certificate issued within a few business days.
Unique Strengths
Subdomain flexibility with verified identity — a combination DV wildcards don't offer.
Efficient for growing businesses managing an expanding set of subdomains under one verified certificate.
Stronger trust signal for partners, auditors, or enterprise customers who inspect certificate details.
Where It Might Fall Short
If you only need to secure a single hostname, consider the Comodo EssentialSSL instead.
> Tip: Match the certificate's validation level to what your visitors actually need to see. DV is enough for encryption alone; OV and EV exist specifically to let you display verified business identity, which matters most on pages involving payments, logins, or sensitive data collection.
If you want a fuller picture of where your site stands beyond SSL — page speed, metadata, technical structure, and other ranking factors — SEO Wolf's free SEO audit will scan your site and flag the issues most likely to be holding back your rankings.
Installation and Renewal
Once issued, the certificate is installed on your web server (most control panels like cPanel or Plesk support a guided upload; dedicated admins can install manually per the CA's server-specific instructions). "Renewal" is technically a new purchase and reissue — most providers let you renew starting 30 days before expiration to avoid any coverage gap. It's worth calendaring your renewal date the moment you install a certificate, since an expired certificate produces the same browser warnings as having no certificate at all, and recovering from an unnoticed expiration is far more disruptive than a scheduled renewal.
Frequently Asked Questions
Does a wildcard certificate cover subdomains of subdomains?
No. A standard wildcard covers one level of subdomains (*.yourdomain.com covers mail.yourdomain.com but not mail.staging.yourdomain.com). Deeper subdomain structures need a specifically configured certificate or additional wildcard coverage.
Do all my subdomains need to be on the same server?
No — wildcard certificates aren't tied to a single server. You can install the same certificate and private key across multiple servers hosting different subdomains, as long as you manage the private key securely across each installation.
Bottom Line
The Comodo EssentialSSL Wildcard strikes a middle ground — verified business identity without the full extended validation process, at a moderate price point. Its wildcard coverage makes it particularly efficient for sites with many subdomains.
Get the Comodo EssentialSSL Wildcard
Ready to move forward? Get the Comodo EssentialSSL Wildcard from The SSL Store →
Disclosure: Links in this article are affiliate links. If you purchase through them, I may earn a commission at no extra cost to you.