DirectNic used to be a RESELLER - now they are the SELLER themselves. I think either way you will be ok, but I chose to have it transfered to them. Since they already were managin your account - you won't notice a difference, except you will get two transfer confirmation emails.
You won't get this for any new domains - only ones that are domains that were registered when directnic used to be under Tucows.
In other words - do what Jack said. Even if you don't I think you can still use them, but you might not be able to use their system to transfer ownership and the like.
Don't worry - it's not a scam or anything - I got the same message several times.
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