Problem with resolving domain name with static ip

[Ben Edwards]

I have the following in my /etc/network/interfaces

auto eth1
iface eth1 inet static
        address 192.168.1.95
        netmask 255.255.255.0
        gateway 192.168.1.1

I can ssh in from another box but when I try 'ping google.co.uk' I get
'ping: unknown host google.co.uk'.

But when I 'ping 66.249.93.104' it woks fine (I used another box to
extablish 66.249.93.104 was the ip for google.co.uk). so it seems it
is having a problem resolving the domain name (how do I check what dns
is being uses?).

I am having a slimier problem on another box, it seems it I use static
I have this problem but if I user dhcp all is OK.

route -n on a working bo gives me

Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
192.168.1.0     0.0.0.0         255.255.255.0   U     0      0        0 eth1
169.254.0.0     0.0.0.0         255.255.0.0     U     1000   0        0 eth1
0.0.0.0         192.168.1.1     0.0.0.0         UG    100    0        0 eth1

So I think the 192.168.1.1 is the correct gateway.

This seems to of happened since I started using ibex (I think).

Any ideas?
Ben