> In terms of networking, the only difference then should be your ethernet
> MAC address. Do you use a static IP address, or DHCP?

Stupid me! Stupid me! When I take a look at /etc/resolv.conf, I 
discovered that I used 2 DNS servers of another ISP than I am currently 
using. After I changed them, everything worked fine. I think my old ISP 
did change their DNS servers.

--
Pieter Coolsma

e: pcoolsma@hetnet.nl
i: http://www.coolsma.cjb.net