Main Domain got disindexed

Main Domain got Disindexed

Hi Guys one of my blog musicbid.co.cc ranked top for certain keywords but unfortunately now it is ranked very low as I can not see them in the search for my previous top names . I do not know whats the reason but suddenly my site got bad ranking in google.
If there is some one who can help me please contact info@musicbid.co.cc or you can ask me for further other options
Please any help would be appreciated.
 

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