To complete this guide, you will first need to be familiar with some common DNS terminology.
RFC compliant dynamic DNS (not DDNS based on external updates like a HTTP channel) can be complicated to troubleshoot.
Below is a simplified description of the dynamic update process with information of common issues in each step that can lead to a dynamic DNS update failure.
They only care about the zones that they are designed to serve.
For the purposes of this guide, we will actually be referencing three servers.
The two name servers mentioned above, plus a web server that we want to configure as a host within our zone.