For our package and iso mirrors it would be nice to have their addresses hidden behind cname DNS entries. That's just cosmetics, so it's merely a low priority task. But this way it gives a bit more "professional" look.
I'd suggest something like:
- mirror-de1.tanglu.org
- mirror-de2.tanglu.org
- mirror-fr1.tanglu.org
- mirror-us1.tanglu.org
- ...