Could be a DNS problem, can you ping safespeed?
ping
www.safespeed.org.uk Pinging safespeed.org.uk [66.29.138.186] with 32 bytes of data:
Reply from 66.29.138.186: bytes=32 time=213ms TTL=48
Reply from 66.29.138.186: bytes=32 time=192ms TTL=48
Reply from 66.29.138.186: bytes=32 time=187ms TTL=48
Reply from 66.29.138.186: bytes=32 time=190ms TTL=48
Ping statistics for 66.29.138.186:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 187ms, Maximum = 213ms, Average = 195msIf it does not find the ip address try the ip address - ping 66.29.138.186
If you get a reply then it is the site name failing to be resolved by DNS.
If it finds the ip address but you get no reply try - tracert 66.29.138.186
Tracing route to nwvps.co.uk [66.29.138.18]
over a maximum of 30 hops:
1 3 ms 1 ms 1 ms 192.168.xxx.xxx
2 8 ms 26 ms 7 ms 10.29.120.1
3 10 ms 11 ms 10 ms bmly-cam-1a-v116.network.virginmedia.net [80.1.2
26.37]
4 7 ms 14 ms 10 ms bmly-core-1a-ge-011-0.network.virginmedia.net [8
0.1.225.45]
5 7 ms 25 ms 24 ms pop-bb-a-as6-0.network.virginmedia.net [212.43.1
62.57]
6 16 ms 17 ms 21 ms amst-ic-1-as0-0.network.virginmedia.net [213.105
.175.6]
7 18 ms 29 ms 14 ms TenGE13-2.br02.ams01.pccwbtn.net [195.69.145.37]
8 174 ms 175 ms 176 ms spectrum.ge2-15.br01.sea01.pccwbtn.net [63.216.1
4.138]
9 186 ms 186 ms 184 ms cr1-ppo-p1-0.bb.spectrumnet.us [208.76.153.46]
10 187 ms 187 ms 189 ms advantagecom-ppo-1000M.demarc.spectrumnet.us [20
8.76.153.222]
11 217 ms 190 ms 196 ms nwvps.co.uk [66.29.138.18]
Trace complete.You should get a list something like the above, i.e. ending with the safespeed ip, if you get asterisks in there you have a routing problem.
Just in case you do not know-
Use the Start button
then select run
type cmd into the text field then enter
that will get you to the command prompt to enter the ping & tracert commands
Edit - expanded it a bit after getting the initial post in