Our NTP server is active on the IP address: 126.96.36.199.
It is possible to test it in in two ways:
By *nix shell (or Windows command line) if you have a ntp deamon installed with the following command:
ntpq -c peers 188.8.131.52the result will be something like in the picture showed below.
Online with a web browser at: w3dt.net by simply fill the field like in the picture below:The device on which the service is active it is a ETS-EVO. The device is online and available for a demo here: ETS-EVO Live Demo