Sorry for necroing this thread, but this is what comes up on google for this issue so I thought I’d leave this here for posterity.
Looks like I can’t access answers.unrealengine.com if I have my VPN on (or atleast using some of the IPs. I didn’t try many).
AnswerHub probably has some strict flooding rules regarding lots of requests from the same IP or just has blacklisted some VPN IPs.
So to any people having a problem accessing the site using a VPN or other shared IP, try a different IP if possible.