My original AX6000 failed and I got a replacement via RMA. I want to use the same TP-link DDNS name I had with the first one but when I try to register it I get the error message that the name is alre

As per title. Router has been working well for months. Problem started last night. Tried powering the router several times. Light goes red briefly then turns blue and spins. Provider is Google Fiber.