If you tried to implement dynamic DNS but it is not working, there are several potential causes. If you are using DDNS via a DDNS provider, you should confirm that you set up the domain correctly and also confirm that your provider's service works with pfSense. Once you have done that, you should go through the client configuration step by step. Many DDNS providers have instructions for different routers, including pfSense routers, and if such instructions are available, you should follow them. Also, make sure you have installed and configured your provider's updater software correctly. If you have gone through all of these steps and DDNS is still not working, you may want to contact your provider's technical support, ...
Troubleshooting DDNS
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