If you've been using .foo in your tests or whatever, that's on you. You shouldn't have a license to work on software that touches a network if you haven't seen

If you've been using .foo in your tests or whatever, that's on you. You shouldn't have a license to work on software that touches a network if you haven't seen https://www.rfc-editor.org/rfc/rfc2606 https://www.rfc-editor.org/rfc/rfc2606