We check this website, now msi-aci.com is up and dont blocked for our system and other users of the Internet.
So, answer to question: Is msi-aci Down Right Now? - NO! msi-aci is up!
If you have problem with access to site msi-aci, and domain msi-aci.com is not avalible.
Clear browser cache and/or try other web browser
(Chrome, Firefox or Safari).