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