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