situation: server1.mydomain.ext running dns for mydomain.ext homepc.mydomain.ext has a dynamic ip. is it possible to update the dns for homepc on server1 dnsserver on ipchange?
You can add, moify or change all kind of DNS records trough the ISPConfig remote API. You can find the remote api codumentation and examples in the remote_client directory of the ispconfig 3 tar.gz file.