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