It will show you the GW2 authentication page and then redirect your login input to an unknown website
The domain registration is here: You will see that it is private. And there is nothing else hosted here. This is not an official ANet service. http://www.whois.net.../ncplatform.net
That is probably a NCSoft domain protected by WhoisGuard (http://www.whoisguard.com/). If you use fiddler, launch GW2 and open the TP window, you will see that it goes to that same domain also. Also, write up on interfacing with the GW2 TP:
Edited by Daesu, 11 January 2013 - 04:03 AM.