The Countermark website needs access to the following related websites to operate, if the web page does not display properly check your firewall settings, the following URL’s need to be accessible

countermark.com

cloudflare.com

googleapis.com

gstatic.com

googletagmanager.com

google-analytics.com

chimpstatic.com

player.vimeo.com

vimeocdn.com

The Countermark Word Add-in needs access to the following related websites to operate, if the Add-in does not work properly check your firewall settings, the following URL’s need to be accessible

Microsoft.com

Microsoftonline.com

Office.com

Office.net

Aspnetcdn.com

Azurewebsites.net

Bootstrapcdn.com