When you are making changes to your domain name or the instantlink domain alias we provide your computer an/or browser can cache the previous DNS result. This means that a change appears to not be working. In these instances to is good practice to clear the DNS cache and the browser cache first.
This article shows you have to flush the DNS cache on a Microsoft Windows computer and clear the cache using Google Chrome.
Press the 'Windows' key on your keyboard and type 'cmd'. Right click on the result and 'Run As Administrator'.