We check this website, now 123listas.com is up and dont blocked for our system and other users of the Internet.
So, answer to question: Is 123listas Down Right Now? - NO! 123listas is up!
If you have problem with access to site 123listas, and domain 123listas.com is not avalible.
Clear browser cache and/or try other web browser
(Chrome, Firefox or Safari).