Greenteam is a cloud based service that does not require any software or hardware installation. You can Start using in minutes. Greenteam DNS Blocks all known phishing, malware, fraudulent and infected websites. Making this simple DNS switch on routers, computers, tablets or mobile devices will allow you and your kids to avoid accidental exposure of adult content or gambling websites. It is fast and simple to use, all you want to do is just sign up and choose the preferred security level. Greenteam DNS will not impact network performance so you can achieve greater speed.