Quote Originally Posted by SkyHiRider View Post
Can you explain why can't the nameserver and mail server have the same DNS record and both point to ns.andreansky.eu ?
Take you pick of the articles on how to configure your DNS: +"how to" +dns +"mail server" - Yahoo! Search Results

Your problem is the hosts file, it is totally incorrect as I've mentioned once or twice. If you want to leave them like that then feel free to ignore my advice.