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