My life insurance site disappeared

[HealthQuotes]

We were doing well a couple of months ago (usually Page 1 for most key phrases), now with the new MSN Live we have totally disappeared.

The site is "www.life-insurance-quotes.ca", might it have something to do with the site's associated blog? www.life-insurance-quotes.ca/Blog/default.aspx.

Where do I start when it comes to figuring out what happened?

Help! :)

[AussieWebmaster]

Microsoft turned off the ability to check backlinks.... someone said they are putting it back up but I am not seeing it yet.