A Unity ID allows you to buy and/or subscribe to Unity products and services, shop in the Asset Store and participate
in the Unity community.
i found a violence way ,
in next frame........
here's the detial:
1.use mac to create a NAT64 network.
2.chose .net4.6 runtime.
3.use System.Net.Dns.GetHostAddresses("www.unity.com") and print...