I have not been able to receive emails since oct 30, I contacted my domain provided and they stated I have to contact Microsoft for mx record so they can update it in their system, I called many times and talked to so many reps from Microsoft or msn and chat to reps to get mx record info and they have not been able to provide such information. how can I get mx record?

I get the following error message when I try sending an email from my other email account:

Technical details of permanent failure: