Getting SSL for your domain is quite easy, still, there are few things you should be aware of.
Let's start from the very beginning – what is hosts file at all? I'm sure there is no need to tell you in details what Internet Protocol addresses are (IP-addresses or IP's for short) and why do we need Domain Name System (DNS). Information on this subject is easy to find and you have already heard something about it. Let's only highlight the main points.