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BIND v9 setup Name Server to point all requests for domains to ip address

Posted on 2008-10-09
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Last Modified: 2012-05-05
Hi,

I have setup BIND v 9 on my Linux Red Hat Enterprise server and have several domain names i need to point to an IP address.
Can anyone help me with the config.
I have about 100 domain names that all requests for need to be resolved to an address on our network.


Kind Regards,

Daniel.
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Question by:Daniel2040
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Expert Comment

by:Chris Dent
ID: 22679122

Hi Daniel,

You mean you need it to do:

nslookup name.com
> IP Address

If so, you will have to add an A record to each zone like one of these:

name.com.  IN A  <IPAddress>
Or
@  IN A  <IPAddress>
Or
IN A <IPAddress>

Chris
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Expert Comment

by:RSLE
ID: 22679189
Are you asking for them all to point to the same IP or just for examples of how to add each?

To point them all to the same IP, you'll first have to enter them all into your zone file (I'm guessing named.conf) but point them all to the same file.

----
zone "example.com" { type master; file "db.global"; };
zone "example.net" { type master; file "db.global"; };
zone "example.org" { type master; file "db.global"; };
...
zone "example100.com" { type master; file "db.global"; };
----

Then you need to create said file (so db.global in my example) and rather than assign the IP to a specific domain, you use the @ symbol. thus...
"@       IN        A     192.168.100.101"

obviously changing the appropriate data  :-)
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Author Comment

by:Daniel2040
ID: 22679318
Thanks,

so all the file named.conf needs to read is:

zone "domain.com" { type master; file "db.global"; };
zone "domain.net" { type master; file "db.global"; };
zone "domain.org" { type master; file "db.global"; };


Kind Regards,

Daniel.
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Expert Comment

by:RSLE
ID: 22679380
well there's other data in that file like the BIND config options, but the lines posted are all you need to add to the named.conf for the domains.
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Author Comment

by:Daniel2040
ID: 22679383
is it possible to have

zone "*" { type master; file "db.global"; };



Daniel.
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Expert Comment

by:RSLE
ID: 22680030
you can do

zone "." { type master; file "db.global"; };

and then instead of using "@" use the * for the entry in the db.global there but this will make your nameserver respond with this single answer for ANYTHING that is queried against your nameserver... probably not a good thing.
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Author Comment

by:Daniel2040
ID: 22710414
Thanks for all your help.

Where does the 'db.global' file go?
I have put it in the same directory as 'named.conf' but when i start the service it syas cannot find 'db.global'





Regards,

Daniel.
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Expert Comment

by:RSLE
ID: 22710658
It should be relative to the 'directory "/path/to/namedb"' option.
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Author Comment

by:Daniel2040
ID: 22710673
Thanks,

sorry for all the questions but what do i do for the NS and SOA records?

Currently the db.global file reads:

$TTL 86400
@       IN        A     81.145.63.83



Kind regards,

Daniel.



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Accepted Solution

by:
RSLE earned 500 total points
ID: 22710728

$TTL 86400

@       IN      SOA     pri.ns.yourdomain. hostmaster.yourdomain. (

                        2008101401      ; serial

                        7200            ; refresh

                        3600            ; retry

                        691200          ; expire

                        86400 )         ; ttl
 

        IN      NS      pri.ns.yourdomain.

        IN      NS      sec.ns.yourdomain.
 

@       IN      A       81.145.63.83

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