What is Sub-Domain?
Posted August 30, 2018
A sub-domain is basically a child domain under a larger parent domain. This name was expended by main-domain. For example:
As an example, we can see "vnetwork.vn" is the main-domain and rack.vnetwork is sub-domain.
Every domain will be allowed to create many sub-domains. However, we also pay attention to the website’s configuration, some hosting will limit their amount of sub-domain that you can own.
**some people think www is another name of domain. However, www just a sub-domain, means www.vnetwork.vn is sub-domain of VNETWORK
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