Blueyonder tech. support have just admitted that they too cannot see Sedo pages and so pinged
searching.me.uk - Searchengine info. This website is for sale! themselves. They at least agree that there is a serious problem - "I've never seen anything like this before" went the customer service bod's comment. Besides being currently mystified, Blueyonder 2nd line tech. support have promised to resolve this. They have created a job ticket, under the name "routing issue" and have given me a reference number, recommending that I call back in a couple of days to check progress.
I've suggested that they speak to Sedo too.
Reiterating yet again, I can only recommend that more of you [who are Blueyonder/Telewest customers] follow he same complaint process that I have done and try and force their hand, the more pressure the better [tel 0845 142 4422].
I have read earlier in this thread that each [of Sedo and Blueyonder] blames the other and yes, this current job ticket may end up with another inconclusive result, meaning that I've wasted my time. I've got to rattle every bar in the cage though as the thought of having to move hundreds of domains to ND etc., whilst I'm enjoying "a break" over Christmas is awful ...