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.

Disclaimer:
1. This APP is not made by No-IP.
2. Periodic IP change detection is performed every 15 minutes if scheduled, but Android OS may ignore the setting for energy efficiency reason.