There are a few sites which I am not able to access.   Below are the two that I come across and my company citrix as well.   https://stackoverflow.com/  https://tpg.speedtestcustom.com/   Been rebooting the modem a few times and still doesn't work.    Connect my mobile phone on to the same wifi and having same issue.   Tried clearing the browser cache on my PC and still not working.   When i try connecting my PC onto my mobile hotspot, there is no issue accessing the above website.       ... View more