not sure, using gmail on chrome
1) Log in to Gmail
2) Open the message you'd like to view headers for.
3) Click the down arrow next to Reply, at the top of the message pane.
4) Select Show Original.
The full headers will appear in a new window, there you will find
Received: from [144.76.120.56] by mandrillapp.comIf you cannot able to get the IP Address, copy and paste here.
144.76.120.56 IP address information
Passive DNS replication
The following domains resolved to the given IP address.
2014-02-08
www.localbitcoins.com2013-11-19 localbitcoins.com
Are you getting the same IP Address ?