ZIVPN Tunnel (SSH/DNS) VPN is a free Android application developed by ZI Applications. It is a utility and tool application that provides a range of features for secure internet browsing. The app supports direct SSH and SSH through HTTP Proxy, which enables users to securely browse the internet without any restrictions.

One of the most significant features of ZIVPN Tunnel is the custom request header, which ensures that users can customize their browsing experience. The app also has a bug host check, which supports a large list or text file. Additionally, the ISP proxy checker feature automatically detects the IP address and provides secure browsing.

ZIVPN Tunnel also offers slow DNS checker and tunnel features, which protect users' privacy while browsing. The app supports SSH SSL(SNI) tunnel, Trojan-GFW(SNI) VPN tunnel, auto-replace response, SSH websocket (ws) tunnel, and UDP tunnel (built-in server).

Overall, ZIVPN Tunnel (SSH/DNS) VPN is an excellent application for people who want to secure their internet browsing experience. The app is easy to use and offers a range of features that ensure secure and private browsing.