If we check in Google search with the name of that web site then we shall have no links to search. In that case we can say that web site has been banned by Google.
go to Google.com Type: gfbyffhvifhvifhrui.com in the search bar. I am sure this kind of web site does not exist. After typing this search on that. You can see the result. If you type any banned website and search in similar way then you will find the similar kind of result. When you will see this kind of search result, then that web site is called banned website.
Simply enter your site in the google search box or site:domainname.com. See the result if your site is not coming in the list. Probably two reason is behind. 1. Not cached 2. Banned