It seems like ZoneEdit changed their response to be XML, so I changed the Dynamic DNS Client to handle that.
I also had a look at supporting freedns.afraid.org, but it turns out that their protocol is wildly different to everyone else, so I didn't think it was worth the effort.
I also had a look at supporting freedns.afraid.org, but it turns out that their protocol is wildly different to everyone else, so I didn't think it was worth the effort.