cask 'no-ip-duc' do version '4.0.12' sha256 '8c631c1c0c6b82b063c634f11c8b8d3ab2dd8dfb6b439f419055afc291ea42a0' url "https://www.noip.com/client/macos/No-IP_DUC_v#{version}.dmg" appcast 'https://www.noip.com/client/macos/appcast.xml' name 'No-IP DUC' homepage 'https://www.noip.com/download?page=mac' app 'No-IP DUC.app' end