Historically all shared hosting is based in the RBX datacenter. A new hosting package has become available, the packages are based on the same offerings but in the GRA datacenter location rather than the RBX. In terms of latency it is minimal as the two datacenters are both physically situated in France and they isn’t very far apart.
In terms of functionality it is exactly the same. The difference lies in the IP address for the GRA datacenter hosting packages. It makes use of a new IP address range.
For all new shared hosting they will be using the IP address of: 126.96.36.199 For the previous generation of mail servers it is with the following MX record: Previous mail servers