Robot: Majestic-12

I hope I am posting this in the correct forum. For the past few days I been observing a new Robot visiting my site. The name of this Robot is:
Robot: Majestic-12
Viewing unknown page, 52 minutes ago

I never herd of this Robot before. Is there anything I should be worried about with this new visitor that anyone knows? The link to this Robot goes here -> . Not knowing much myself about the subject matter reading the content is to me like reading Chinise.