|You have to actually give an address that is an NTP server. I just did an nslookup quickly on 188.8.131.52 and it couldn't find that address.|
Try an actual NTP server and see if it doesn't work. The folliowing link will take you to a list of public NTP Servers.
It matters not how straight the gate,
How charged with punishments the scroll,
I am the master of my fate;
I am the captain of my soul.