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Dynamic DNS Service

  2 minute read.

Last Modified 2022-09-21 09:35 EDT

The Services > DynamicDNS screen settings specify settings so the system can automatically associate its current IP address with a domain name and continues to provide access to TrueNAS even if the system IP address changes.

To configure Dynamic DNS, go to System Settings > Services and find DynamicDNS, then click .

DynamicDNSServiceSettings

SettingsDescription
ProviderSelect the provider from the dropdown list of supported providers. If a specific provider is not listed, select Custom Provider and enter the information in the Custom Server and Custom Path fields below the SSL checkbox.
Custom ServerDisplays after selecting Custom Provider in the Provider field. Enter the DDNS server name. For example, members.dyndns.org denotes a server similar to dyndns.org.
Custom PathDisplays after selecting Custom Provider in the Provider field. Enter the DDNS server path. Paht syntax can vary by provider and must be obtained from that provider. For example, /update?hostname= is a simple path for the update.twodns.de custom sever. The host name is automatically appended by default. For more examples see In-A-Dyn documentation.
CheckIP-Server SSLSelect to use HTTPS for the connection to the CheckIP Server.
CheckIP ServerEnter the name and port of the server that reports the external IP address. For example, entering checkip.dyndns.org:80 uses Dyn IP detection to discover the remote socket IP address.
CheckIP PathEnter the path to the CheckIP server. For example, no-ip.com uses a CheckIP Server of dynamic.zoneedit.com and CheckIP Path of /checkip.html.
SSLSelect to use HTTPS for the connection to the server that updates the DNS record.
Domain NameEnter the fully qualified domain name of the host with the dynamic IP address. Separate multiple domains with a space, comma (,), or semicolon (;). For example, myname.dyndns.org; myothername.dyndns.org.
Update PeriodEnter the number of seconds for how often the IP is checked.

Credentials

SettingsDescription
UsernameEnter the user name for logging in to the provider and updating the record.
PasswordEnter the user password for logging in to the provider and updating the record.

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