WHAT IS A SUBDOMAIN?
A subdomain is like a branch of your primary domain. They are an efficient way of breaking up your website and keeping it professional and tidy.
Because we own https://www.SSL247.co.uk we have the opportunity to establish subdomains such as https://secure.SSL247.co.uk or https://france.SSL247.co.uk to subdivide our website as we please.
Subdomains are most often used for the likes of testing, alternate languages and different regions.
They’re not the same as your primary domain and thus may not be covered by your SSL certificates, however Wildcard & SAN SSL certificates are designed to keep subdomains and their users safe. So, subdomains can be a secure option for you.