DNS Firewall is a network security solution developed by KeepSolid Inc. It is designed to intercept DNS resolution for known-malicious websites, ensuring a safe web browsing experience. This app is part of the MonoDefense security bundle, which offers comprehensive protection for your network, browsing, and passwords. With DNS Firewall, you can protect your iOS devices from suspicious DNS activities, block sites with undesirable content and annoying pop-up windows, filter malicious internet traffic, and safeguard your private data from third parties. It also provides advanced malware domain protection, establishing a secure VPN connection using the WireGuard protocol to encrypt both incoming and outgoing DNS traffic. The app is easy to configure and supports multiple platforms. Additionally, KeepSolid offers professional customer support to assist usersDNS Firewall offers a free 7-day trial, with subscription options available for 1 month, 1 year, or a lifetime.