LOL Mishy, If it's any consolation, it's not just Xtra, Paradise.Net (the cheapest pay ISP in NZ) does the same thing. Ihug (mine) doesen't.
Here are a couple of links explaining more about the ISP cache issue.
PLEASE NOTE - IT IS NOT JUST HAPPENING IN NZ!! Check your own ISP!
Suggestafix topic 1
Suggestafix topic 2 and a
link to explanation.
[This message has been edited by smurfy (edited 28 September 2000).]