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