Apps with 'Dns leak blockage' feature
Windscribe is a desktop application and browser extension that work together to block ads and trackers, restore access to blocked content and help you safeguard your privacy online.
Acrylic is a local DNS proxy for Windows which improves the performance of your computer by caching the responses coming from your DNS servers and helps you fight unwanted ads through a custom HOSTS file.
Avira Phantom VPN encrypts your connection, enabling you to evade hackers on public WiFi hotspots.
YogaDNS automatically intercepts DNS requests at the system level and allows you to process them over user-defined DNS servers using modern protocols and flexible rules.
You have to protect your DNS requests from your ISP to stop it from tracking your movements, regardless of whether you're using a VPN or not!.