Wildcard SSL certificates are a convenient and cost-effective option that allows you to secure a main domain (also known as a Fully Qualified Domain Name or FQDN) and an unlimited number of sub-domains. So say your website is cleverly named, www.mywebsite.com.
A wildcard certificate would allow you to protect that domain, plus all accompanying sub-domains. For example, mail.mywebsite.com, ftp.mywebsite.com and login.mywebsite.com by simply using *.mywebsite.com in your CSR This easily makes wildcard certificates one of the best values available if you’re looking to secure multiple sub-domains without having to purchase an individual certificate for each one. Some people buy wildcard SSLs even if they only have one domain to secure at the moment, because you never know what the future holds. It is a marginal cost to future-proof your website, not to mention, it also simplifies the management of your SSL certificates.
All your domains will share the same expiration/renewal date. Wildcard SSL/TLS certificates come in two varieties, Domain Validation (DV) and Organization Validation (OV).
Check below for the cheapest Wildcard Certificates on the Internet.
Name of Product
Type of Site Seal
Validation Needs
Warranty Amount
Issuance Time
Amount You Save
Cheapest
Price
ProductRapidSSL Wildcard
Siteseal
Static
Validation NeedsDomain
Warranty$10K
IssuanceMinutes
Save$121.13
Price$77.88/yr.
ProductComodo PremiumSSL Wildcard
Siteseal
Static
Validation NeedsDomain +
Basic Business
Warranty$250K
Issuance1-3 Days
Save$335.95
Price$114.00/yr.
ProductComodo SSL Wildcard
Siteseal
Static
Validation NeedsDomain
Warranty$250K
IssuanceMinutes
Save$293.95
Price$156.00/yr.
ProductQuickSSL Premium Wildcard
Siteseal
Dynamic
Validation NeedsDomain
Warranty$500K
IssuanceMinutes
Save$322.38
Price$156.63/yr.
ProductSSL123 Wildcard
Siteseal
Dynamic
Validation NeedsDomain
Warranty$500K
Issuance1 day
Save$588.38
Price$156.63/yr.
ProductThawte Wildcard SSL
Siteseal
Dynamic
Validation NeedsDomain +
Basic Business
Warranty$1.25MM
Issuance1-3 Days
Save$254.88
Price$244.13/yr.
ProductMulti Domain Wildcard SSL
Siteseal
Static
Validation NeedsDomain +
Basic Business
Warranty$250K
Issuance1-3 Days
Save$450.00
Price$279.00/yr.
ProductSymantec Wildcard SSL
Siteseal
Dynamic
Validation NeedsDomain +
Basic Business
Warranty$1.5MM
Issuance1-3 Days
Save$468.63
Price$1,530.38/yr.
ProductSecure Site Pro Wildcard
Siteseal
Dynamic
Validation NeedsDomain +
Basic Business
Warranty$1.5MM
Issuance1-3 Days
Save$1,041.88
Price$3,933.13/yr.