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Free dynamic DNS service with simple update protocol

Core Idea: DTDNS (Desktop-Transact DNS) is a free dynamic DNS service that allows users to create hostnames with dtdns.net or dtdns.org domains and update them via a simple API when their IP address changes.

Key Elements

Key Features

• Free dynamic DNS service
• Simple HTTP-based update protocol
• No software installation required
• Multiple update methods supported
• No regular confirmation requirements

Technical Specifications

• HTTP GET-based update protocol
• Basic authentication method
• Both IPv4 and IPv6 support
• Simple client implementation requirements
• Standard DNS record types supported

Use Cases

• Home server hosting
• Remote access to home networks
• Personal websites on dynamic IP connections
• IoT device access
• Personal VPN endpoints

Implementation Steps

1. Register an account on dtdns.com
2. Choose a hostname under dtdns.net or dtdns.org
3. Set up automatic updates using:

Basic Update Method

curl "https://www.dtdns.com/api/autodns.cfm?id=yourhostname&pw=yourpassword&ip="

Router Configuration

Many routers have built-in support for DTDNS in their DDNS configuration sections:

• Look for DTDNS in your router's dynamic DNS settings
• Enter your hostname and password
• Set update interval (typically 1-24 hours)

Additional Connections

• Broader Context: Dynamic DNS (DTDNS is a free DDNS service)
• Applications: Self-hosted Web Server (typical application)
• See Also: No-IP (alternative service), Duck DNS (similar free service)

References

1. DTDNS official website: https://www.dtdns.com/
2. DTDNS API documentation

#dynamic-dns #networking #free-services #dns

Connections:

Sources:

• From: Worklog n8n.guiom.dev