Unable to browse Internet on Mac OS X
My Problem is very similar to the one linked above; I can't reach websites using browsers, everything else like terminal stuff (ping...), Mail, Skype, OS X internal social networking etc. is still working.
The difference is, that
RockMelt, a Chrome-based browser, connects to the internet, whereas my usual browsers Safari, Chrome and Nightly don't.
sudo killall mDNSResponder
does not solve the problem, not even temporarily.
After a reboot, all browser behave just the way they should for about 30 minutes.