Wildcard SSL Certificates
Using a Wildcard certificate means having a one-stop solution for all of your SSL needs. A single Wildcard SSL certificate can get all of your sub-domains fully verified and secured without needing to purchase anything else.
Wildcard SSL certificates are a low-cost way to secure an unlimited number of servers. Blogs, e-commerce sites, and mail servers are just some use-cases where a Wildcard certificate comes in handy. Quickly and easily enjoy high identity assurance and validation on your website with a single certificate across multiple sub-domains - no other SSL certificate comes with these features.
Domain Validated Wildcard SSL Certificates
| Product | Lowest Price | Secures | Site Seal | Warranty | Issuance Time | |
|---|---|---|---|---|---|---|
 Comodo PositiveSSL Wildcard | £31.97 / yr £324 Saved | Unlimited subdomains | £10,000 | 5-15 minutes | ||
| Comodo EssentialSSL Wildcard | £54.53 / yr £536 Saved | Unlimited subdomains | £10,000 | 5-15 minutes | ||
| Comodo Multi-Domain Wildcard SSL | £96.77 / yr £811 Saved | Multiple domains with Unlimited subdomains | £10,000 | 5-15 minutes | ||
| Sectigo Wildcard SSL | £100.80 / yr £953 Saved | Unlimited subdomains | £500,000 | 5-15 minutes | ||
| Sectigo SSL Multi-Domain UCC Wildcard | £169.13 / yr £3,965 Saved | Multiple domains Unlimited subdomains | £500,000 | 5-15 minutes | ||
| GeoTrust QuickSSL Premium Wildcard Flexi | £134.70 / yr £1,368 Saved | Multiple domains with Unlimited subdomains | £500,000 | 5-15 minutes | ||
| Thawte SSL 123 Wildcard | £139.34 / yr £1,721 Saved | Unlimited subdomains | £500,000 | 5-15 minutes | ||
| RapidSSL Wildcard | £59.74 / yr £467 Saved | Unlimited subdomains | £5,000 | 5-15 minutes |
Business Wildcard SSL Certificates
| Product | Lowest Price | Secures | Site Seal | Warranty | Issuance Time | |
|---|---|---|---|---|---|---|
| Comodo PremiumSSL Wildcard | £85.66 / yr £1,032 Saved | Unlimited subdomain | £250,000 | 1-2 days | ||
| Sectigo SSL Wildcard | £85.66 / yr £1,032 Saved | Unlimited subdomains | £1,000,000 | 1-2 days | ||
| Sectigo Multi-Domain SSL UCC Wildcard | £169.13 / yr £3,965 Saved | Multiple domains Unlimited subdomain | £1,000,000 | 1-2 days | ||
| GeoTrust True BusinessID Wildcard | £182.07 / yr £1,647 Saved | Unlimited subdomains | £1,250,000 | 1-2 days | ||
| GeoTrust True BusinessID Multi-Domain Wildcard | £182.07 / yr £1,647 Saved | Multiple domains Unlimited subdomains | £1,250,000 | 1-2 days | ||
| Thawte Wildcard SSL Certificate | £180.07 / yr £1,657 Saved | Unlimited subdomains | £1,250,000 | 1-2 days | ||
| DigiCert Wildcard | £417.52 / yr £854 Saved | Unlimited subdomains | £1,000,000 | 1-3 days |
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Using a Wildcard Certificate: How Does It Work?
The Wildcard SSL certificate is a unique SSL/TLS provision that features a so-called wildcard character (asterisk/* or question mark/?) in the domain name field. Due to this, Wildcard certificates can be used to secure multiple sub-domains simultaneously.
A single Wildcard certificate for *.domain.com could, for example, secure any combination of the following:
- www.domain.com
- mail.domain.com
- store.domain.com
- subdomain.domain.com
And so on. Depending on your specific website, you could make ample use of just one certificate of this type. Most other types of SSL/TLS offers don't afford such a level of versatility, though multi-domain Wildcard certificates do exist, and provide users even more options for future expansion.
If you see yourself making use of multiple subdomain features in the future, investing in a Wildcard SSL could be the way to go. Doing so would not only save you money in the long run -as you wouldn't have to buy multiple certificates later on - but also provide you with a comprehensive management option for all of your subdomains.
It's important to note that - as we suggested above - only specific Wildcard certificates cover multiple domains simultaneously. For the most part, a generic Wildcard SSL certificate will be limited to a single domain with support for unlimited subdomains.
Keep in mind that Wildcard SSL certificates can only secure subdomains on a single level of a domain. If you need to safe-keep multiple levels of subdomains, you'll need to get a Multi-Domain Wildcard SSL or a Business SSL under GeoTrust, Thawte or DigiCert. As Business Wildcard SSL Certificates under GeoTrust, Thawte or DigiCert allow you to secure multiple sub-domain levels under the one wildcard certificate without additional costs.
What makes Wildcard SSL Certificates important?
Being able to secure any given sub-domain within a single domain name is an invaluable option for many website owners. Setting up a mail server, if nothing else, calls for a similar solution. Naturally, the ability to rely on a single SSL certificate to secure every single sub-domain you may or may not have comes in extremely handy.
A Wildcard certificate can also secure multiple servers - if that's what you need it to do. As an example, you may need to keep separate sandboxes for multiple services that your website offers. Wildcard SSL certificates allow you to do precisely that, whereas a baseline DV or OV certificate wouldn't.
There are many different kinds of certificates. Wildcard certificates, in particular, is designed from the bottom-up to be among the most versatile security solutions of its type. As soon as a Certificate Authority issues and you install a Wildcard certificate, it will secure the main domain and all subdomains: an unlimited number of them.
| Secures | Unlimited Sub-domains |
|---|---|
| Warranty | Up-to $1,750,000 |
| Key Cryptography | RSA or ECC |
| Minimum Key Size | 2048-bit (RSA), 233-bit (ECC) |
| SSL/TLS Encryption | 256-bit Encryption |
How to choose the right Certificate Authority for my Wildcard SSL?
Virtually all CAs are signing Wildcard certificates as of 2021. From Comodo to DigiCert - there's a wide variety of price options on the market, and you can always contact our team here at SSLTrust for more information. Alternatively, you can also look up specific certificate pages using the appropriate links.
The important bit to keep in mind, though, is that no matter which price-point you might be looking at, you're getting a security solution of some sort. Even the cheapest Wildcard SSL available is far better than having no SSL at all, and it's plainly obvious that websites with multiple subdomains need a more cost-effective option than a regular DV SSL provides.
Search through the Wildcard certificates featured on this site and choose the subject that matters the most for your specific use case. Or contact our helpful and very knowledgable support team to have them help you select the correct solution to your needs.
Great support - from helping with the initial choice to expediting the order through. Thank you Paul.
Fast and knowledgeable support from Paul Baka.
Very good support, thanks heaps for resolving my SSL issue within minutes of raising my concerns.Great professionals (Paul B).Cheers,
Wildcard SSL Certificates FAQ
Once issued, a Wildcard SSL certificate will secure your main domain and unlimited subdomains that exist as part of it. Since many websites make good use of multiple subdomains simultaneously, this makes Wildcard certificates an ideal choice for many users.
The name 'Wildcard' is derived from the two wildcard characters that define this particular certificate. These are, respectively, the question mark(?) and the asterisk (*).
Each of the two main Wildcard characters serves a slightly different purpose. Between square brackets, the question mark (?) represents a single sub-domain instance. The asterisk(*), on the other hand, represents multiple sub-domains when you put it between square brackets.
By having the nature of your server setup defined using one or more characters, you can substantially streamline your SSL certificate management simply by choosing the right SSL for the job.
A Wildcard SSL certificate is every bit as secure as any other SSL certificate. Wildcard certificates feature industry-standard 256-bit encryption (or greater) and high assurance of security coverage from the issuing CA. The level of support you might get will vary from one CA to another, of course, but business validation and the customers' security should not be a concern.
Depending on the services your website offers, you may or may not need a Wildcard SSL certificate. It's the perfect choice for those who need to quickly and easily apply a digital certificate to a domain and to all its subdomains. It may not be the best choice if you only have a main domain and a single subdomain you need to secure.
A single-domain SSL certificate differs from Wildcard SSL certificates in the scope of application, for the most part. Wildcard certificates feature the asterisk/* modifier which lets them apply to an unlimited number of subdomains, while a single-domain SSL will do no such thing.
Wildcard SSL certificates apply 256-bit encryption (or greater) to a website and an unlimited number of its subdomains. Most importantly, there's no need to spend money on additional certificate purchases when using a Wildcard certificate. Even if you continue adding additional subdomains to your server later on, Wildcard certificates will continue to provide security.
The price of a Wildcard SSL varies depending on which CA you decide to turn to. While all of these SSL certificates feature the same standard 256-bit encryption, some of the pricier choices come with extra bells and whistles, too. Depending on your choice, expect to spend between £31.97 and £417.52 every year. From Comodo to DigiCert, there's a lot of options to choose from.
Overall rating of 4.9/5 from 336 reviews.
Comodo PositiveSSL Wildcard Certificate
Lowest price guarantee, starting as low as £31.97 /yr
If price is a major concern, but you still need to protect unlimited subdomains, all the same, Comodo PositiveSSL is the go-to option for SSLTrust users. Apply appropriate levels of encryption to your website with Comodo and protect your customers' data today.
Comodo EssentialSSL Wildcard Certificate
Lowest price guarantee, starting as low as £54.53 /yr
An upgrade to the PositiveSSL option from Comodo, EssentialSSL comes with a more robust compatibility list than its cheaper variant. Securing your own corner of the web is easier than ever before - no matter which device your customers might be visiting from.
GeoTrust QuickSSL Premium Wildcard Certificate
Lowest price guarantee, starting as low as £134.70 /yr
Do you search for the perfect ratio of price, performance, and security while looking for an SSL? Backed by years of premium-tier security, GeoTrust Wildcards may be the SSL certificates you need. Choose QuickSSL for fast and easy access and immediate implementation - with support teams on standby, if you need them.
Thawte SSL 123 Wildcard Certificate
Lowest price guarantee, starting as low as £139.34 /yr
Enjoy further improvements to scalability and flexibility with Thawte's 123 Wildcard SSL. Save time and money by applying wide-sweeping Wildcard security to your site and an unlimited number of its subdomains. This Wildcard SSL comes with a $500,000 warranty for extra assurance, too.
Comodo PremiumSSL Wildcard Certificate
Lowest price guarantee, starting as low as £85.66 /yr
Wildcards come as business-grade solutions, too. Comodo PremiumSSL Wildcard secures websites used by businesses, schools, and governments, offering top-tier validation and encryption to the entirety of the server it's applied on.
Comodo Multi-Domain Wildcard Certificate
Lowest price guarantee, starting as low as £96.77 /yr
A specific Comodo solution for securing websites with complex security requirements, Multi-Domain Wildcard SSL is a cutting-edge SSL in every way - while still retaining its competitive price range. Safe-keep multiple domains as well as their subdomains, with the ability to add more pages to your website whenever you want.
GeoTrust True BusinessID Wildcard Certificate
Lowest price guarantee, starting as low as £182.07 /yr
GeoTrust True BusinessID secures your site and upgrades it to show HTTPS support in the address bar - featuring high-grade encryption applied to an unlimited number of subdomains available on your server. A certificate of choice for many e-commerce websites from across the world.
GeoTrust True BusinessID Wildcard Multi-Domain UCC/SAN
Lowest price guarantee, starting as low as £182.07 /yr
When the price is less of a concern than sheer security, it's time to turn to GeoTrust SAN solutions for your servers. Apply this True Business ID to multiple domain names for top-level data protection for your business, your team, and your private users - all in one go.
DigiCert Wildcard Certificate
Lowest price guarantee, starting as low as £417.52 /yr
DigiCert site protection is for those users who need only the best of SSL certificates applied to multiple domains, and who don't mind paying a premium price for it. Subject your website to DigiCert's streamlined and improved verification process and have them signing a best-in-class certificate for you in a matter of minutes.
Thawte Wildcard SSL Certificate
Lowest price guarantee, starting as low as £180.07 /yr
Thawte SSL certificates are renowned for their flexibility and reliability, and the company's Wildcard SSL is no different. Upgrade your site to HTTPS and let your visitors know that your business is a stellar example of web security done right.
RapidSSL Wildcard Certificate
Lowest price guarantee, starting as low as £59.74 /yr
RapidSSL solutions are a great choice when the price is a serious consideration. Purchase RapidSSL's standard certificate and get full address protection for your website without breaking a bank.