Yesterday Bing suddenly deindexd all my indexed/ranked pages

Yesterday Bing suddenly deindexd all my indexed/ranked pages of my website Bingquizzes.net. 

https://www.bing.com/search?q=site%3Abingquizzes.net&qs=n&form=QBRE&sp=-1&pq=site%3Abingquizzes.net&sc=2-20&sk=&cvid=96DB96C03C9546AFA071C4AE3264FE64&ghsh=0&ghacc=0

my website is performing good in bing good visitor and impression but i dont know suddenly it deindex all my index page. 

it is really horrible thing lots of hardwork i have done for so meny days and all are gone. please suggest some solution.  

still bing url inspection showing my website is indexed