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