Some persons refer to these websites as Russian Pill domains or websites.
This is how the websites look:
If you want to know if a website is legitimate or not, go to "Web of Trust" website at http://www.mywot.com and search for the website domain name.
You can also download their free browser add-on which will warn you of a malicious website before you visit it, while surfing the internet. There is a link on their home page that you can click on to download the free add-on.
Also, ensure that you only buy from popular websites.