I don't remember if we ever turned any of them into actual customer domains for our free services - I don't THINK any of them happened to be good for that purpose.
Credit card fraud was a huge pain back then (not that it isn't now) - there wasn't nearly the range of intelligent analysis and risk assessment that's out there today. And as I recall we got chargebacks via fax (or had to respond via fax, maybe both). The bad old days...
6/?