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