And it still works for me. There is something weird going on however, because when I get the IP address and enter that directly (which is how one tests for a DNS failure), that never seems to work. Suggests they are migrating their server from one farm to another and the change has not propagated to all DNS servers.

If you want to try a different DNS, which is typically something you can set in your internet access device (router or computer), a very reliable free one can be found at

http://www.opendns.com/

along with clear and simple instructions about how to make the change.