Make sure your domains are pointing to the nameservers you originally specified.

I will, thank you.

I try not use credit card online while other choices are given. Name.com only has my paypal account name (if they save this kind of information).

However I still changed my credit card since it was in the Linode database.

I considered changing registrar. But I really can't know to which one I can go. How do you know they won't be (or already are) compromised?

At least in the US, having your card number stolen is such a small deal that it hardly seems worth worrying about. Just keep an eye on your statement, which you should really be doing anyway. You don't have to pay for charges you didn't authorize. In my experience, the card issuer typically detects the fraud automatically.

Very true. Perhaps I should try getting into the habit of using PayPal instead of credit cards.