This is the service I used to create the multisig output consolidation transaction in 2014, but it is no longer functioning:
http://redeem.bitwatch.co/To ask the obvious: have you tried emailing dexx@?
This project has served very well, but lost it's purpose, given that it is no longer economic to redeem dust-ish outputs, it costs more to retrieve the dust.
This was probably written when Bitcoin prices were much lower. It might be worth resurrecting the service.