No, there are so many airdrop alert Sites that Google is advertising and their root is not from this forum. It's quite easy to join those ones because most of them are not requiring any forum ranks.
I will not join the airdrop even if it is free, because airdrop is not all free. even having to pay means the manager is short of money and clear airdrop it is fraud,
be wary of many airdrop now scams because airdrop is free