We check this website, now lsm99.group is up and dont blocked for our system and other users of the Internet.
So, answer to question: Is lsm99 Down Right Now? - NO! lsm99 is up!
If you have problem with access to site lsm99, and domain lsm99.group is not avalible.
Clear browser cache and/or try other web browser
(Chrome, Firefox or Safari).