Hi @ganci. Thanks for being part of GoDaddy Community! There isn't a way to make changes to DNS settings via SSH or SFTP. The closest thing would be using our Domains API, but I'm not sure that would allow you to make DNSSEC changes. You can find out more about the API program here.
JesseW - GoDaddy | Community Manager | 24/7 support available at x.co/247support | Remember to choose a solution and give kudos.