Try as a command prompt (run as admin)
ipconfig /flushdns note the spaces and press enter. Then type net stop dnscache and press enter. Then type net start dnscache and press enter. Worth a try, it's resolved problems for me in the past.
Surface Pro (2017) vs Surface Pro 4
20 groundbreaking 3D animation technologies coming to Siggraph 2017
iPad Pro 12.9 vs Surface Pro 5
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.