Yeah, all their sites seems to be down.
In the WhoIs Database Klookie is linked to jmr-hosting.uk.com which is also down.

This is the problem when you are choosing a hosting company that is not a real company. If there is no staff to support you and if the whole thing stay on the shoulders of a single man you are exposed to see it disappear from one day to another.

The best deals are often those who are established since several years...