Client Setup

Update Methods

The Dynamic DNS update system supports several ways to update records:

1. HTTP Basic Authentication
2. URL parameters
3. Automatic IP detection

Supported Parameters

• username - Your Poweradmin username (if not using HTTP Basic Auth)
• password - Your Poweradmin password (if not using HTTP Basic Auth)
• hostname - The FQDN to update
• myip or ip - IPv4 address(es), comma-separated
• myip6 or ip6 - IPv6 address(es), comma-separated
• dualstack_update - Set to 1 to update both IPv4 and IPv6
• verbose - Enable verbose response messages

Special Values

You can use whatismyip for the IP parameters to automatically detect your address:

curl "https://dns.example.com/dynamic_update.php?hostname=host.example.com&myip=whatismyip"

Multiple IP Management

The system supports managing multiple IP addresses per host:

# Update multiple IPv4 addresses
curl "https://dns.example.com/dynamic_update.php?hostname=host.example.com&myip=192.0.2.1,192.0.2.2"

# Update multiple IPv6 addresses
curl "https://dns.example.com/dynamic_update.php?hostname=host.example.com&myip6=2001:db8::1,2001:db8::2"

# Update both IPv4 and IPv6 with cleanup
curl "https://dns.example.com/dynamic_update.php?hostname=host.example.com&myip=192.0.2.1,192.0.2.2&myip6=2001:db8::1,2001:db8::2&dualstack_update=1"

When using multiple IPs:

• Omitted record types are preserved
• Use dualstack_update=1 to clean up both A and AAAA records
• Records not included in the update are automatically removed
• Changes are atomic and maintain zone consistency

Using the Shell Script

1. Download the dynamic DNS client script
2. Make it executable and run:

chmod 755 dynamic_dns_client.sh
./dynamic_dns_client.sh

Basic Authentication

You can also create a client that uses HTTP basic authentication with username and password.

Client Script Installation

Shell Script

chmod 755 dynamic_dns_client.sh
./dynamic_dns_client.sh

Python Script

1. Install required dependencies:

pip install requests

1. Run the script:

python dynamic_dns_client.py

Perl Script

1. Install required modules:

cpan install LWP::UserAgent

1. Run the script:

perl dynamic_dns_client.pl