DNS Changer IPV4 - IP Tools is the easiest way to change your DNS and test the speed of DNS servers. Works without root and works for both WiFi and Mobile Network Data. DNS Changer with IPv4 & IPv6 tools key features : ✔ DNS Speed Test to find the fastest DNS server ✔ Add your own custom DNS server – no limits ✔ Easy to use and one tap connect – no login required ✔ Choose from Preconfigured public DNS server list ✔ Control over which app should use the Selected DNS Server (Pro) ✔ Works for Mobi