I need a small, self-contained tool that lets me type a single email address, click “Verify”, and instantly learn—right on the same page—whether that address is hosted on Google Workspace or on Microsoft Outlook / Office 365. No file uploads or API hooks are necessary; the focus is a quick, manual, one-at-a-time lookup with a clear on-screen result. A lightweight web interface is fine, but I’m open to a command-line script if that delivers the same simple workflow. Behind the scenes you can rely on MX, SPF, or any other reliable signal; accuracy matters more than the specific method. Keep the UI clean: one input box, one button, and a neatly formatted result. Deliverables: • Complete, well-commented source code • Brief read-me explaining setup and how the detection logic works • Live demo or runnable build so I can test a few addresses before sign-off The project is finished when I can verify an address like “user at mydomain.com” and get an immediate, correct classification as Google Workspace or Outlook. By on outlook or workspace i mean email ! not google drive .. because user can exist on outlook or google but still dont have emails there.