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Can a host be a domain server?

Posted on 2004-04-19
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Last Modified: 2010-04-21
Just a quick question, worth lots of points.
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Question by:sporenza
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by:fim32
ID: 10864562
come again?

if [ host -eq 'random server' && domain server -eq 'DNS' ]; then

yes, any 'random server' can run bind to become a DNS server... see www.isc.org for source.  there are other options for binary distributions, depending on your version of unix...

fi
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by:Tintin
ID: 10865466
By domain, do you mean DNS?  If so, yes, of course.
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Mercantilum earned 500 total points
ID: 10866297
Yes, any host can be a domain name server.

Maybe you wonder how your host could serve the whole Internet DNS?
Your own DNS server would have a copy of the "root" servers, the one at the top of the tree. (there are not so many root servers)

E.g.  a request  "news.google.com." would ask from right to left first ".", to a root server.
The root server would "delegate" the request to a "com" subdomain name server.
Which would in turn "delegate" the request to "google[.com.]" => answer is returned.

Please have a look to...
http://www.ipswitch.com/Support/IMail/guide/imailgsv8/Appendix%20A%20dns2.html
http://www.zianet.com/showarticle.idc?LayoutID=1&ContentID=113
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by:annamalai77
ID: 10867183
yes

very much, ur unix server can be a domain server. we have in our setup.

regards
annamalai
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