How do I delete my Dotster domain hosting account?

About a year ago I purchased a domain name from Dotster, and I've been super dissatisfied with them ever since. Now that the domain seems to be expired (it's not showing up under my account name), I want to delete the account. However, I can't find any direction as to how to do that.

Can anyone help me out here?? I really don't want them to have my personal information, especially now that I have no need of their services.

I had the same problem with another host several years ago.

I had to actually submit a support ticket to them to delete the account.

Currently I have sites hosted at hostgator, pretty worry free to this point.