Buy GeoTrust Wildcard SSL to protect your domain and all subdomains
Premium SSL certificate with high browser trust rating
Buy SSL certificate GeoTrust Premium Wildcard SSL

This Premium Wildcard SSL certificate is valid for one domain and two subdomains, is issued within 15 minutes, and features SHA-256 + ECC encryption. This certificate is available to individuals; you must verify your domain name ownership via email. The Quick Premium SAN certificate provides reliable security and is compatible with all popular browsers.
| Physical available. persons ? | wildcard ? | IDN support ? | EV ? | Encryption | Order term years | Application processing time | USD price | Add to Cart | |
|---|---|---|---|---|---|---|---|---|---|
| Premium Wildcard SSL | SHA-256 + ECC | to 3 | 5-15 minutes. | 270 | |
What's good about GeoTrust Premium Wildcard SSL?
For large and corporate websites
Often used on portals and serious projects.


Unlimited subdomains
The Wildcard format allows for free expansion of the site structure.
Convenience when scaling
There is no need to revise SSL as the project grows.


GeoTrust's Reputation
A well-known certification authority enhances customer confidence.
How does an SSL certificate work?
To use SSL after purchase, you must first activate it. After activation, you will receive installation instructions, as a result you will be able to manage the certificate.
Step 1

Buy
Start by purchasing an SSL certificate. Choose one of three types to suit your needs.
Step 2

Activating a
You can activate the SSL certificate from the control panel immediately after purchase or at a later time.
Step 3

Installation
You will receive instructions on how to install the SSL certificate after confirmation.
Step 4

Management
You can manage your SSL (update, reissue, etc.) in your account panel.
GeoTrust Premium Wildcard SSL
GeoTrust Premium Wildcard SSL Certificate - is the ideal solution for protecting your main domain and unlimited number of subdomains within a single subscription. It ensures compatibility with 99,9% of modern browsers and mobile devices. In addition, website owners receive free dynamic GeoTrust True Site Seal, which confirms the authenticity of the resource and increases visitor trust in real time.
About GeoTrust Quick SSL Premium Certificate SAN
If your project is actively growing and uses many subdomains (for example, blog.site.com, shop.site.com, mail.site.com), GeoTrust Premium Wildcard SSL will be the most effective choice.
- Savings and convenience: You no longer need to purchase and renew separate certificates for each section of your website—one Wildcard certificate will protect them all.
- Instant protection: Thanks to Domain Validation, certificate issuance takes only a few minutes without the need to provide constituent documents.
- High safety standard: Using SHA-256 + ECC encryption ensures reliable protection of your clients' confidential data.
- Trustmark: Placement of the seal GeoTrust True Site Seal Helps convert visitors into buyers by demonstrating that your site's security is verified by one of the most respected brands in the world of internet security.
How to Choose a Wildcard SSL Certificate
Wildcard SSL is the optimal solution if your project requires protection. the main domain and all subdomains with one certificateWe'll discuss this below. What to look for when choosing a Wildcard SSLto avoid overpaying and to get maximum security and trust.
1. Verification type: DV or OV
Most Wildcard SSLs are used Domain Validation (DV) — only domain ownership is confirmed.
This is a quick and convenient option for:
- SaaS projects
- corporate websites
- WordPress and Multisite
- services with a large number of subdomains
Если вам нужен increased level of trust for business, worth considering OV Wildcard SSL, where the company is additionally checked.
2. Number of subdomains
High-quality Wildcard SSL does not limit the number of subdomains.
One certificate protects:
example.com*.example.com
This is especially important for projects with dynamic subdomains:
app.example.comapi.example.comclient123.example.com
3. Certification Authority (CA)
Choose certificates from well-known certification centers, such as:
- GeoTrust
- Sectigo
- Thawte
Certificates from well-known CAs:
- inspire more trust in users
- have maximum compatibility with browsers
- suitable for commercial projects
4. Release speed
If you need SSL urgently, choose Wildcard SSL with instant release.
DV Wildcard certificates are usually issued in 5–15 minutes after domain confirmation.
5. Encryption level and compatibility
Please note that the certificate must support:
- 256-bit encryption
- RSA keys are 2048 bits
- TLS 1.2 and TLS 1.3
- 99,9% browser and device compatibility
This ensures correct operation of HTTPS and data security.
6. Financial guarantee
Paid Wildcard SSLs usually include financial guarantee (for example, up to $500,000).
It confirms the reliability of the certificate and the level of responsibility of the CA.
7. Possibility of reissue
It is important that the certificate supports:
- free reissue
- installation on several servers
- transfer when changing hosting
This simplifies administration and reduces risks.
8. Impact on SEO
HTTPS is an official Google ranking factor.
Using Wildcard SSL:
- increases user trust
- reduces bounce rate
- improves behavioral factors
For projects with a large number of subdomains, this is especially important.
9. Wildcard SSL or Multi-Domain SSL?
The choice depends on the project structure:
| Scenario | Better to choose |
|---|---|
| One domain + many subdomains | Wildcard SSL |
| Several different domains | Multi-Domain (SAN) SSL |
When Wildcard SSL is the Best Choice
Wildcard SSL is ideal if:
- you have one main one domain
- many subdomains are used
- you want to simplify SSL management
- I need a quick release without documents.
Сonclusion
When choosing a Wildcard SSL pay attention to:
- verification type (DV/OV)
- brand of the certification authority
- release speed
- encryption level
- financial guarantee
A properly selected Wildcard SSL is Security, user trust, and SEO performance improvements.
Features GeoTrust Premium Wildcard SSL
- Protects your domain and unlimited subdomains
- Premium level of trust
- Suitable for large corporate websites
- Compatible with financial services
- High browser compatibility
- Convenient for scalable projects
- Savings with a large number of subdomains
- Support for modern security standards
- Free reissue
- Simplified SSL Management
- Suitable for SaaS and portals
- Strengthens brand reputation
- Reliable protection of user data
- Used by large companies
- Support for 24 / 7
Why do you need an SSL certificate?
An SSL certificate not only encrypts data transmission between the user and the website but also increases trust among visitors and search engines. Modern browsers mark websites without SSL as unsafe, which can negatively impact traffic and reputation.

Reliable data encryption
An SSL certificate ensures the security of information transmitted between the website and the user. All data, including passwords and payment information, is encrypted and protected from interception by third parties.

Trust of users and browsers
Modern browsers like Chrome and Firefox mark websites without SSL as not secure. Having HTTPS increases visitor trust and improves the user experience.

SEO and Conversion Growth
You'll receive instructions on how SSL is a search engine ranking factor. A secure website gains more trust, which positively impacts Google rankings, traffic, and conversion rates.
Reviews of the company ProHoster
F.A.Q.
| How is GeoTrust Premium Wildcard different from budget Wildcard solutions? | ||||||||||
This certificate is for business use. The main differences are in the issuance infrastructure (more secure root certificates), enhanced security, and priority processing of OCSP requests, which directly impacts browser connection speed. | ||||||||||
| How many subdomains can be protected under one license? | ||||||||||
There is no limit on the number of first-level subdomains. You can protect *.domain.com, which will ensure security for mail.domain.com, vpn.domain.com, billing.domain.com, and any other names created under your primary domain. | ||||||||||
| Does GeoTrust Premium Wildcard and non-www primary domains protect? | ||||||||||
Yes. When issuing a certificate for *.yourdomain.com, the primary domain (Apex Domain) yourdomain.com will also be protected, eliminating security errors when users access the site's root. | ||||||||||
| How quickly does it take to issue this certificate? | ||||||||||
Despite its "Premium" status, this is a domain validation (DV) certificate. The process is automated and takes 5 to 15 minutes after domain ownership is verified via the selected method (email, DNS, or file). | ||||||||||
| Is a trust seal provided with this SSL? | ||||||||||
Yes, you receive a dynamic GeoTrust True Site Seal. It includes a timestamp and GeoTrust security verification, visually enhancing user trust on the registration and payment pages. | ||||||||||
| Does the certificate support multiple physical servers? | ||||||||||
Yes. GeoTrust Premium Wildcard comes with a license for an unlimited number of servers. You can use the same certificate and private key on your primary server, mirrors, and load balancers. | ||||||||||
| What is the insurance coverage for this model? | ||||||||||
GeoTrust Premium Wildcard offers one of the highest guarantees in the DV class—$500,000. This confirms the certification authority's commitment to the security of its encryption. | ||||||||||
| Can this SSL be used on subdomains of different levels? | ||||||||||
A Wildcard certificate works at the level where the "star" appears. If the certificate is issued for *.domain.com, it won't protect test.dev.domain.com. For such purposes, a separate Wildcard for the required level is required. | ||||||||||
| Is the certificate compatible with mobile devices and smart TVs? | ||||||||||
Yes, GeoTrust roots are recognized by 99.9% of all devices. This includes legacy smartphones, modern gaming consoles, smart TVs, and specialized banking equipment. | ||||||||||
| How does GeoTrust Premium Wildcard affect website loading speed? | ||||||||||
Using OCSP Stapling technology and GeoTrust's premium infrastructure reduces certificate validation time, minimizing delays before your website's pages start loading. | ||||||||||
| What happens if I lose my Private Key? | ||||||||||
In a private office ProHoster You can initiate the free reissue process. You'll need to generate a new CSR and verify your domain, after which you'll receive a new certificate file. | ||||||||||
| Does the certificate support modern ECC algorithms? | ||||||||||
GeoTrust keeps up with the times and supports not only standard RSA keys (2048 bits), but also more powerful elliptic curve algorithms (ECC), which provide the same level of protection with lower server resource consumption. | ||||||||||
| Is a fixed IP address required to install GeoTrust Wildcard? | ||||||||||
No, thanks to the support of SNI technology on the web server side, you can install this Wildcard certificate even on virtual hosting with a shared IP address. | ||||||||||
| Can this certificate be used to protect email services within a company? | ||||||||||
Absolutely. It's perfect for encrypting traffic to Microsoft Exchange, Postfix, Exim, and other mail servers that use subdomains (e.g., imap.site.com, smtp.site.com). | ||||||||||
| What are the CSR requirements for GeoTrust Premium Wildcard? | ||||||||||
When generating a CSR, be sure to enter the domain name in the *.your-site.com format in the "Common Name" field. The remaining fields (city, organization) can be filled in as usual, as they are not subject to detailed validation for a DV certificate. |










