I'm running my raspbian webserver and my windows 10 box on the same home network. I'm running your dns utility from the windows box. Is that sufficient?

[quote=Better Beer]I'm running my raspbian webserver and my windows 10 box on the same home network. I'm running your dns utility from the windows box. Is that sufficient?[/quote]Yes, running the Windows application in the same network will suffice. You can also set up DDClient at https://www.dynu.com/DynamicDNS/IPUpdateClient/DDClient on your Linux machine if you want to.