It is doing that, but most likely the server havent configured it correctly, play.domain.com need to be linked with the server ip. In case on enjin for example you can do that in their dns management
But, like i said in the other threa, wait a few days, the minecraft plugin both have servercheck and votifier. So dont use this one, switching the plugins and keeping old data is a manual process which you should avoid if its a matter of a few days.
The new plugin is there in 1-2 days