Stable external access,
even without a fixed IP.
Our Dynamic DNS (DDNS) service automatically detects and updates your Public IP in the background. Combined with our Port Forwarding configuration assistance, your ERP, CCTV, Web API, or remote access system will remain reachable at all times.
- ✅ Automatic Public IP detection and DNS record updates to eliminate downtime caused by IP changes.
- ✅ Full support for Port Forwarding configuration and firewall rule setup.
- ✅ Perfect for ERP, CCTV/NVR, Web APIs, IoT devices, remote desktops, and inter-branch connectivity.
Key Features
From DNS updates to router configuration, we provide a complete DDNS solution for your business.
🔄 Automatic Public IP Updates
Our system detects changes to your Public IP and updates your DNS records automatically.
- No manual DNS updates required
- Prevents downtime caused by ISP IP changes
- Ideal for offices without fixed IP plans
🌐 Consistent Domain Access
Your system remains reachable through a permanent domain name—even when your IP changes.
- Simplifies API integrations
- No more reconfiguring system endpoints
- Unified access point for staff and customers
🛜 Port Forwarding Support
We help configure your router/firewall for proper port forwarding and secure remote access.
- Port planning & NAT rule setup
- Firewall adjustments & security recommendations
- Connectivity testing after configuration
How It Works
Our automated system ensures your domain always maps to the correct Public IP.
① Public IP Detection
We routinely check your Public IP and compare it with your existing DNS records.
- Detect new Public IP
- Compare with DNS entry
- Trigger update if mismatch is found
② DNS Update & Propagation
When a change is detected, DNS records are updated instantly through API.
- Updates A / CNAME records
- Optimized TTL for performance
- Ensures external services always point to your network
Use Cases
DDNS is ideal for businesses that require reliable external access without a fixed IP plan.
Common Scenarios
- 📌 ERP / AutoCount / POS remote access
- 📌 CCTV / DVR / NVR remote monitoring
- 📌 Web APIs accessed by external systems
- 📌 IoT devices reporting data or receiving commands
- 📌 Remote Desktop & IT maintenance
- 📌 Branch offices connecting to HQ systems
Business Benefits
- 💡 Stable external access at all times
- 💡 Reduced downtime & fewer customer complaints
- 💡 Integration-friendly permanent domain
- 💡 Lower IT workload—no need to update DNS manually
Service Scope
We provide full support from planning to configuration and testing.
Included Technical Services
| Service | Description |
|---|---|
| DDNS Domain Setup | Provisioning and configuring your dedicated DDNS domain |
| Public IP Auto-Update | Monitoring and updating DNS records whenever your IP changes |
| Port Forwarding | Router & firewall configuration to enable external access |
| Security Hardening | IP whitelisting, non-standard ports, Cloudflare tunnel recommendations |
| Connectivity Testing | End-to-end validation from WAN → LAN to ensure stable access |
| Troubleshooting | Assistance with DNS caching, ISP restrictions, router issues, etc. |
没有固定 IP,
也能拥有 稳定对外入口。
我们的 DDNS 动态域名服务,会在后台自动侦测并更新您的 Public IP, 搭配 Port Forwarding 技术支援,让 ERP、CCTV、Web API 等系统随时可从外部安全连入。
- ✅ Public IP 自动侦测与 DNS 记录更新,降低因 IP 变动造成的服务中断
- ✅ 协助设定 Port Forwarding 与防火墙规则,确保服务可从公网安全访问
- ✅ 适用于 ERP / AutoCount / CCTV / Web API / IoT / 远程桌面等多种业务场景
※ 可依需求提供远程协助或现场支援,协助完成 Router / Firewall / DNS 全面设定。
服务特色
从域名解析、Public IP 自动更新,到 Router Port Forwarding,将复杂的网络设定交给我们处理。
🔄 Public IP 自动更新
系统会定期侦测您的公网 IP,一旦发现变动,即自动更新 DNS A 记录,确保域名始终指向正确位置。
- 避免因 ISP 换 IP 导致系统中断
- 不需手动登入 DNS 控制台修改
- 适用于无固定 IP 的中小企业环境
🌐 固定域名入口
即使没有固定 IP,外部客户、分行与员工都可以通过同一个域名访问您的系统。
- 对外统一对接接口
- 方便设置 API / 系统集成
- 减少因 IP 变更导致的设定修改
🛜 Port Forwarding 技术支援
协助设定 Router / Firewall 的 Port Forwarding,让 ERP、CCTV、Web API 等系统可以从公网安全访问。
- 端口规划、转发规则设定
- 配合防火墙策略、安全建议
- 完成后协助测试连通性
运作机制
通过自动化侦测与 DNS API 更新,确保您的域名与 Public IP 时刻保持一致。
① Public IP 侦测流程
系统会按照设定周期,检查当前网络出口 IP。
- 侦测当前 Public IP
- 比对 DNS 记录中既有 IP
- 若不同,则触发更新流程
② DNS 更新与传播
当 IP 发生变化,我们的服务会透过 DNS API 自动更新对应记录,并等待全球节点同步。
- 更新 A / CNAME 记录
- 控制合理 TTL 平衡速度与稳定性
- 让外部访问自动指向新 IP
适用业务场景
任何需要从外部访问内部系统、又没有固定 IP 的场景,都非常适合采用 DDNS 方案。
常见使用情境
- 📌 ERP / AutoCount / POS 让外部办公室、居家办公用户连入
- 📌 CCTV / DVR / NVR 远程观看与管理
- 📌 Web API 提供外部系统调用,如电商、第三方服务对接
- 📌 IoT 设备对外上报数据或远程控制
- 📌 远程桌面 (RDP) 与远端运维支援
- 📌 分行 / 门市访问总部数据库与应用
客户获得的价值
- 💡 即使 ISP 不提供固定 IP,系统依旧可以稳定对外提供服务
- 💡 减少电话“连不上系统”的投诉与停机时间
- 💡 对接外部系统时,直接使用固定域名,无需频繁改设定
- 💡 大幅降低 IT 人员在 DNS 与 Router 上的手动操作负担
服务范围与内容
我们不仅提供 DDNS 平台,更提供从规划、设定到测试的一站式技术支援。
技术服务项目
| 项目 | 内容说明 |
|---|---|
| DDNS 域名配置 | 为客户提供专属子域名,作为对外访问入口 |
| Public IP 自动更新 | 定期侦测 IP 变动并自动更新 DNS 记录 |
| Port Forwarding 设定 | 协助设定 Router / Firewall 相关转发规则与端口开启 |
| 防火墙与安全建议 | 包括 IP 限制、非标准端口建议、Cloudflare 等防护方案 |
| 连通性验证 | 由外部进行实际测试,确保域名可连入指定服务 |
| 问题排查与支援 | 针对 Router 设定、ISP 限制、DNS 缓存等问题进行诊断 |