While I guess the folks who registered this name have nothing but legitimate intent, this is pretty much text book man-in-the-middle attack technique. It would take one change to the DNS record and a simple sniffing proxy, and every user to use that address would be compromised.
As long as it is not owned by pg and rtm, I would strongly suggest you use news.ycombinator.com
Actually looking at the registration data, I'm extremely suspicious of this name. If I had ever used it, I would be changing my authentication details.
whois for hackerne.ws:
1234567
lemesos, lemesos 12345
Cyprus
Registered through: GoDaddy.com, Inc. (http://www.godaddy.com)
Domain Name: HACKERNE.WS
Created on: 27-Nov-07
Expires on: 27-Nov-09
Last Updated on: 28-Nov-08
And even if the folks who registered it are 'legit', if they let the domain lapse who knows where it will end up and it's not as though you'll get a warning the next time you point your browser to that address.