Solved! Go to Solution.
I have asked a moderator to provide assistance, they will post an invite on this thread.
They are the only BT employees on this forum, and are based in the UK.
First flush any old invalid DNS entries.
If its a Windows computer you are using, then type this at the address prompt
Thanks for trying that @Jlcd. Can you please drop me over an email with your details and I'll take a look at this for you. You'll get the contact the moderators link in my profile. We're very busy at present so it's taking longer than expected to reply but once you submit the details we'll get to you in turn.