Wildcard SSL MULTI-SUBDOMAIN
A Wildcard SSL certificate secures your main domain and all first-level subdomains with a single certificate. One purchase covers *.yourdomain.com — meaning blog, shop, mail, app, and any other subdomain you create, now or in the future, are all protected automatically.
One certificate — unlimited subdomains covered
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A Wildcard SSL certificate uses an asterisk (*) in the domain field to secure your main domain and an unlimited number of its first-level subdomains — all under one single certificate. Instead of buying a separate SSL for every subdomain, one Wildcard SSL covers them all.
For example, a Wildcard SSL for *.yourdomain.com automatically protects www, blog, shop, mail, app, api, and any other subdomain you create — including new ones added after the certificate is issued.
Wildcard SSL certificates are available with Domain Validation (DV) and Organization Validation (OV), giving you flexibility in the level of trust you want alongside your subdomain coverage.
Filter by brand to compare Wildcard SSL plans. All plans cover unlimited first-level subdomains.
Set up your Managed Wildcard SSL with just one simple step
01. After purchasing Managed Wildcard SSL, submit a request with your main domain name. Follow the link in your email or contact our support team to get started.
Our team handles installation and configuration for all your subdomains. That's the "managed" in Managed SSL.
A step-by-step guide to installing your Wildcard SSL
01. Generate a CSR: Use *.yourdomain.com as the Common Name when generating your Certificate Signing Request.
02. Verify domain ownership: Complete DV or OV validation as required by the Certificate Authority for your chosen plan.
03. Download your certificate: Download the Wildcard certificate and intermediate chain from your SSL dashboard.
04. Install on your server: Install the certificate on your primary server — the same certificate file applies to all subdomains.
05. Verify coverage: Test any subdomain in a browser and confirm the padlock appears for each one.
Stop buying a new SSL for every subdomain you launch. One Wildcard SSL covers all existing and future first-level subdomains automatically — forever.
Wildcard SSL is far more cost-effective than purchasing and managing individual SSL certificates for each subdomain — one renewal, one management dashboard, one price.
Launch a new subdomain today — it's automatically secured. No certificate purchase, no waiting. Wildcard SSL protects every subdomain the moment it's created.
A Wildcard SSL certificate uses an asterisk (*) as a wildcard character in the subdomain position of the Common Name field — for example, *.yourdomain.com. Any subdomain that fits this pattern — blog.yourdomain.com, shop.yourdomain.com, mail.yourdomain.com — is automatically covered by the same certificate.
You only need to install the Wildcard certificate once on your server. The certificate's wildcard character instructs browsers to trust all matching subdomains. The main domain itself (yourdomain.com) is also covered alongside all subdomains.
Note: Wildcard SSL covers only first-level subdomains — sub.yourdomain.com is covered, but deep.sub.yourdomain.com (a second-level subdomain) is not. For multi-level coverage, consider a Multi-Domain SSL.
Many website owners secure their main domain but forget that every subdomain without its own SSL shows a "Not Secure" warning to visitors. A single unsecured subdomain can undermine the trust you've built across your entire brand.
A Wildcard SSL certificate solves this completely. Every subdomain — your blog, shop, API, mail, app — shows the padlock and HTTPS. One certificate, one renewal, total peace of mind across your entire domain infrastructure.
Everything about Wildcard SSL — how it works, what's covered, and when to choose it.
Get Wildcard SSL →Sectigo · RapidSSL · DigiCert · GeoTrust · OBHost · DV & OV available
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