# some websites doesn't load on firefox and chrome

fedora 26


harvey  ~  git-examples  rocket  uname -a
Linux localhost.localdomain 4.12.12-300.fc26.x86_64 #1 SMP Mon Sep 11 17:18:56 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux

I have always to run
sudo systemctl restart NetworkManager


but , after 3 minutes ,again the problem.

Is that related to vmplayer?
how can i check the problem?
when i do ping or ping6 at that websites all be ok

websites
start.fedoraproject.org