Holy balls! I'm guessing this is not legit.
Hmm... dunno:Registered through: GoDaddy.com, LLC (http://www.godaddy.com)Domain Name: DNDCLASSICS.COMCreated on: 01-Nov-12Expires on: 01-Nov-14Last Updated on: 01-Nov-12Registrant:OneBookShelf5044 Mackinac Dr.Stone Mountain, Georgia 30083United StatesAdministrative Contact:Todd, Mike MikeTodd@onebookshelf.comOneBookShelf5044 Mackinac Dr.Stone Mountain, Georgia 30083United States4044927658Technical Contact:Todd, Mike MikeTodd@onebookshelf.comOneBookShelf5044 Mackinac Dr.Stone Mountain, Georgia 30083United States4044927658Domain servers in listed order:NS3.FASTSERVERS.NETNS4.FASTSERVERS.NETThis would also explain why I got an email a couple or three weeks ago that a couple of the B-series modules were available in PDF again on DriveThruRPG, but then when I bought them they didn't work. Probably a brain fart while setting something up as a "coming attraction."
Looks like they took it down, but nice catch. Looks like we might see legit classic D&D PDF's for sale again.