How do i remove the last Dynu Name server. I've Added Cloudflare name servers but I cant make them primary. So I can Point them to my homelab.
I keep gettin an Oh Snap you must have at least one Dynu name server.
Theres also no button to "Make Primary" Just Disable and Remove.

I've bought the domain from you today and added the "membership" too.

Please help.

Go to the Domain Registrations area of the control panel to change the name servers. You are in the DNS zone.