I would think one of dynamic DNS client utilities might do this... Check through the list here and see if any allow running an external command on detection ...

Although domain controllers can be configured to obtain an IP address from DHCP, it’s best practice to configure a static IP address so that it can be reliably discovered across the network. You may ...

If your WiFi router says Failed to obtain IP address from DHCP Server, restart your router and see if the issue appears again. If yes, you can try the solutions provided below: The issue you are ...