We have brought up some new nameservers to replace old ones.
If you are using the names of the servers as provided in your welcome mail, then you do not need to change anything.
If you are using IP addresses then you will need to make the following changes
Change 18.104.22.168 to 22.214.171.124 (EU Nameservers)
Change 126.96.36.199 to 188.8.131.52 (US Nameservers)
The servers in Red are being retired as DNS servers from 31-Oct-2016
Another new European DNS Server is available 184.108.40.206
So the two DNS clusters are:
220.127.116.11 - Roubaix DataCentre 18.104.22.168 - Strasbourg DataCentre 22.214.171.124 - Gravelines DataCentre
Nameservers for the US
126.96.36.199 - Beauharnois DataCentre 1 188.8.131.52 - Beauharnois DataCentre 2