A dynamic DNS update client that periodically checks for IP address changes and automatically updates the DNS at No-IP, Cloudflare and Pubyun DDNS service. Features: 1. Detects Internet WAN IP address from iPify public service. 2. Detects WAN IP address changes and updates DNS at No-IP. 3. Supports Android phone, tablet, TV and Google TV. 4. Notifications of IP changes. 5. Enable/Disable of screen-lock, Wifi-lock and notifications. 6. Periodic checks of IP change when APP is in background. (If scheduled by Android Work Manager) 7. Immediate Wifi/Cellular IP change detection if APP is in foreground.