Yup. I actually went to their twitter and mentioned that to them. I ended up posting a tweet which linked the airdrop forms directly under their Twitter so that people would not be directed over to their .com and get the "Alert" message. I have used their site daily for about a month and this is the first time I have seen that message. It usually has to do with your browser (Firefox is what I am using), but who really knows? This is the world of cryptocurrency, hackers, and the unknown. I know that site is fairly new and it getting a lot of attention. My guess is that either they switched hosts due to bandwidth use and something got messed up in the migration, or that they have acquired some not-so-friendly enemies. I would lean towards the former.