The worst part is on the other site people said they paid for the subscription and didn't get the required update for a month and a half. So that's $200 for nothing.
My understanding of name servers are where is your domain going to be recorded. For instance, my domain may be something.com but the name server tells the browsers to send the web traffic to 50.50.50.50 where the server lives.
If there's no central control or ledger, couldn't you just rewrite the card with the original values and the machines wouldn't know any difference?