Unfortunately it has got somethjing to do with Lucky 18 you see, you both share the same download link from 200.122.168.229. If you are trying to run an honest casino then you unfortunately have associated yourself with known spammers.
That IP is listed at emerging threats as hostile.
See http://doc.emergingthreats.net/pub/Main/RussianBusinessNetwork/RussianBusinessNetworkIPs.txt