DDNS Updater is a Flutter-based Dynamic DNS (DDNS) client that keeps your device\u2019s public IP in sync with DNS records at your chosen providers. It lets you use a stable domain name (e.g. home.example.com) to reach devices on networks with changing IPs (home broadband, small offices, VPS, etc.).\nCore Functionality\nIP detection and DNS updates \u2013 Detects the device\u2019s public IPv4/IPv6 and updates A/AAAA records at DNS providers so your domain always points to the current IP.\n60+ DNS providers \u2013 Supports Cloudflare, GoDaddy, Namecheap, AliDNS, Tencent DNSPod, Huawei Cloud, DuckDNS, No-IP, and many others (international and China/Asia-Pacific).\nIPv4 & IPv6 \u2013 Dual-stack updates with separate configuration for each.\nMultiple IP sources \u2013 Get IP from HTTP URLs (e.g. api.ipify.org), network interfaces, or custom shell commands.\nConfig management \u2013 Add, edit, and delete DDNS configs; update a single config or all at once.\nUser Experience\nMulti-language \u2013 Chinese (Simplified/Traditional), English, Japanese, Korean, German, French, Spanish, Italian, Russian, Arabic, and more.\nTheme and dark mode \u2013 Material Design 3 with light/dark/system themes and accent colors.\nCross-platform \u2013 Android, iOS, Web, Windows, macOS, Linux.\nConfig import/export \u2013 Export configs to JSON and import from JSON (replace or merge).\nUpdate history and logs \u2013 Logs of DDNS updates with configurable retention (1\u2013365 days).\nSystem notifications \u2013 Optional notifications when IP updates complete (off by default).\nScheduled auto-update \u2013 Per-config update intervals for periodic DDNS updates.\nDelivery Options\nFlutter app \u2013 GUI for managing DDNS configs.\nCLI \u2013 Command-line tool sharing the same DNS logic, usable with a config file or CLI arguments.\nDocker \u2013 CLI image for headless use (e.g. servers, NAS, Kubernetes).\nDesign Goals\nOne app and one config model across many providers and platforms.\nProtocol and config design inspired by ddns-go and ddns-updater for easier migration and integration with scripts, cron, and CI/CD.