[xPhantom]

Are you using their VPS or dedicated server (Game)? As far as I know, their VPS line do not utilize ddos protection for game servers.

https://www.ovh.com/us/dedicated-servers/game/ (This is the lineup that offers game server DDoS protection)

Also, http://soyoustart.com offers it to and they have a server for 49.00 per month not including VAT.