# [EMAIL PROTECTED] / 2003-11-21 16:35:59 +0100:
> Hi!
>
> 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 (213.146.114.24).
> [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?
http://cr.yp.to/djbdns/intro-dns.html
The Big Picture
http://www.lifewithdjbdns.org/#The%20Big%20Picture
Case study: a firewalled office network
http://cr.yp.to/djbdns/sample-office.html
The importance of separating DNS caches from DNS servers
http://cr.yp.to/djbdns/separation.html
"content" and "proxy" DNS servers
http://homepages.tesco.net/~J.deBoynePollard/FGA/dns-server-roles.html
"primary" and "secondary" DNS servers
http://homepages.tesco.net/~J.deBoynePollard/FGA/dns-database-replication.html
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