No-IP

No-IP — Free Download. Dynamic DNS service

No-IP provides Dynamic DNS services that map static hostnames to changing IP addresses. The program supports remote access to computers, servers, DVR systems, and other devices connected to networks with dynamic IP assignments. Users can create up to three free hostnames under no-ip.org domains and update their IP address through a desktop client or web interface.

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Download No-IP (Official links)
File size: 42.3 MB
The latest version of No-IP is: 5.5.0
Operating system: Windows
Languages: English
Developer: Vitalwerks LLC
Price: $0.00 USD (Freemium product ($2 and $3 per month + free version))
  • Dynamic DNS updates. The core function of No-IP is the automatic update of DNS records when a user's public IP address changes. The desktop client detects the current IP address and sends the update to No-IP servers, ensuring that the assigned hostname always resolves to the correct machine. This removes the need to manually edit DNS settings after each IP change from the internet service provider.
  • Free hostname creation. A free No-IP account allows the creation of up to three hostnames on domains provided by the company, such as ddns.net or no-ip.org. Each hostname acts as a stable address that points to a dynamic IP, making it suitable for home networks or small projects where a fixed domain name is not required.
  • Port 80 redirect. For users whose internet service providers block inbound traffic on port 80, No-IP offers a redirect service. This function forwards web traffic from the standard HTTP port to an alternative port, allowing a web server running on a non-standard port to remain accessible through a normal URL without revealing the port number to visitors.
  • Managed DNS service. No-IP operates a global network of authoritative DNS servers that route traffic for registered domain names. This managed DNS infrastructure is designed for high availability and low latency. Users who bring their own domains can delegate DNS management to No-IP and control all records through a centralized control panel.
  • Domain registration and transfer. The platform supports registration of new domain names and transfer of existing domains from other registrars. After a domain is added to the account, users can create hostnames, set up DNS records, and manage all settings without leaving the No-IP dashboard. This consolidates domain and DNS management in one location.
  • Email services. No-IP provides email forwarding, backup MX records, and IMAP/POP3 mailboxes for users who require communication services tied to their domain. Email forwarding allows messages sent to a custom address to be redirected to an existing inbox, while backup MX records prevent mail loss during primary server downtime.
  • SSL certificate management. The service offers integration with SSL certificate issuance and renewal. Users can request certificates for their hostnames and domains, ensuring encrypted connections for websites and other services. The renewal process is automated to reduce the risk of expired certificates causing security warnings for visitors.
  • Device tracking and monitoring. The No-IP client monitors the network interface and reports status changes to the user. When a connection drops or the IP address changes unexpectedly, the client logs the event and attempts to reconnect. This monitoring helps maintain continuous availability of remotely accessed devices such as security cameras or home automation systems.
  • API access. No-IP provides an application programming interface for developers who need to automate DNS updates and account management. The API supports programmatic hostname creation, IP updates, and domain record modifications, enabling integration with custom scripts, third-party applications, and enterprise workflows.
  • Multiple host management. Paid plans allow users to manage dozens or hundreds of hostnames from a single account. Group management tools enable bulk edits, organized groupings by location or function, and delegated access for team members. This capability is designed for businesses that operate many remote sites or maintain large networks of connected devices.

No-IP was founded in 1999 by Dan Durrer and Joel Anderson. The company began as a small project to solve the problem of accessing home computers with changing IP addresses. The first public release of the No-IP client was written in C and C++ for Windows systems. Over time, the codebase expanded to include support for macOS, Linux, and mobile platforms, with backend services developed using a combination of Python, Go, and PHP. The company has remained privately held since its founding and continues to operate from its headquarters in Reno, Nevada.

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