User may experience "Destination Host Unreachable" error while accessing to the website/ email using IPv6 address.
As such below is the workaround on how the user can disable IPv6 from Network Adapter.
Steps
Start -> Search Control Panel -> Network Internet -> Network and Sharing Centre -> Change Adapter Settings -> Look for your current network adapter -> Properties -> Unchecked IPv6 box
After that disable and enable your network adapter again.