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