i don't think that's correct, because if you block 8.8.8.8 and 8.8.4.4 with the OSX pf firewall, then Chromium will use your OS configured DNS servers and every

i don't think that's correct, because if you block 8.8.8.8 and 8.8.4.4 with the OSX pf firewall, then Chromium will use your OS configured DNS servers and everything still works (i do this.)