TrueNAS CORETrueNAS CORE Version Documentation
This content follows the TrueNAS CORE 13.0 releases. Use the Product and Version selectors above to view content specific to different TrueNAS software or major version.

Dynamic DNS Screen

ISPs often change the IP address of the system. With Dynamic Domain Name Service (DDNS) the current IP address continues to point to a domain name. This provides uninterrupted access to TrueNAS.

ServicesDynamicDNSOptions

General Options

NameDescription
ProviderSelect the provider from the dropdown list of supported providers. If a specific provider is not listed, select Custom Provider. Enter the information in the Custom Server and Custom Path fields.
Custom ServerDisplays after selecting Custom Provider in the Provider field. Enter the DDNS server name. For example, members.dyndns.org denotes a server like dyndns.org.
Custom PathDisplays after selecting Custom Provider in the Provider field. Enter the DDNS server path. Path syntax can vary by provider. Obtain path syntax 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 SSLUse HTTPS for the connection to the CheckIP Server.
CheckIP ServerName 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 PathPath to the CheckIP server. For example, no-ip.com uses a CheckIP Server of dynamic.zoneedit.com and CheckIP Path of /checkip.html.
SSLUse HTTPS for the connection to the server that updates the DNS record.
Domain NameFully 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 PeriodHow often the IP is checked in seconds.

Credentials

NameDescription
UsernameUser name for logging in to the provider and updating the record.
PasswordPassword for logging in to the provider and updating the record.

The SAVE button activates after you enter your domain name in Domain Name. Click to save all settings.

After configuring your DDNS service, turn the service on using the Services screen.

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