What happens if you do a ping to www.balpa.org?
It should resolve to 195.26.236.245 even though you won't get a response. If not it's a DNS problem - you could try putting http://195.26.236.245/ into your browser.
You could also check your hosts file to ensure that you haven't got an incorrect entry for www.balpa.org in there.
What is the actual error you are getting?
SD