# [EMAIL PROTECTED] / 2003-11-21 16:35:59 +0100:
> This question is inspired by a recent mail on this list.
> My ISP was so nice to give me a domain name (pukruppa.net) and
> assign it statically to an IP (220.127.116.11).
> [So now everybody in the world can telnet pukruppa.net and crack
> my private machine :-) ]
> >From reading manuals one should think, that now I could give my
> machines names like one.pukruppa.net, two.pukruppa.net, etc...
> and all these would be reachable via internet - but they aren't.
> The only one that can be accessed is pukruppa.net .
> How comes this?
maybe this will help:
How does DNS work?
The Big Picture
Case study: a firewalled office network
The importance of separating DNS caches from DNS servers
"content" and "proxy" DNS servers
"primary" and "secondary" DNS servers
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