It appears that auckland to auckland traffic exchanges via sydney.You may need to optimize.
traceroute to 188.8.131.52 (184.108.40.206), 30 hops max, 60 byte packets
1 220.127.116.11 (18.104.22.168) 1.430 ms 1.401 ms 1.379 ms
2 int-fc.hddc.as24466.hd.net.nz (22.214.171.124) 1.348 ms 1.319 ms ...
Key collusion sounds like clusterfuck :D
Tell your developers to seperate databases/keys etc for different type of your business.I have a server with constant and i do not want my personal information leaked due to your software developer's laziness.