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