guys!!!!!!!!

i need to configure a dns server in my college and i was experimenting with cashing only server mode. the dig and nslookup utilities work fine with the redhat box on which bind is currently install bt the system on which centos is installed doesnot perform nslookup or did using the redhatbox as its dns server.... what can the problem be?

ip of redhat box 192.168.1.3 hostname is redhat1.myintranet.net

ip of centos box 192.168.1.4 hostname is centos.myintranet.net

these box even do not ping each other using the hostname but pinging with ips work fine..... please help.....

Show output from

cat /etc/resolv.conf
dig redhat1.myintranet.net

Do you have iptables enabled?

guys ! i am seriously screwed... actually the ips are assigned by dhcp.... i have checked out that these boxes although get their ips via dhcp but always get these same ips......and today when i booted the system the entry of nameserver 192.168.1.3 vanished from /etc/resolv.conf..... the named deamon is up and running but all the queries are being answered by the main dns server 192.168.1.1................the output of dig command is

[root@redhat1 named]# dig @192.168.1.3 redhat1.myintranet.net

; <<>> DiG 9.3.3rc2 <<>> @192.168.1.3 redhat1.myintranet.net
; (1 server found)
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 7226
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 2

;; QUESTION SECTION:
;redhat1.myintranet.net. IN A

;; ANSWER SECTION:
redhat1.myintranet.net. 300 IN A 208.254.26.139

;; AUTHORITY SECTION:
myintranet.net. 65 IN NS ns.buydomains.com.
myintranet.net. 65 IN NS this-domain-for-sale.com.

;; ADDITIONAL SECTION:
ns.buydomains.com. 172564 IN A 208.254.3.177
this-domain-for-sale.com. 172564 IN A 128.121.3.72

;; Query time: 205 msec
;; SERVER: 192.168.1.3#53(192.168.1.3)
;; WHEN: Tue Sep 30 11:02:19 2008
;; MSG SIZE rcvd: 154

[root@redhat1 named]#

Theoutput is wrong as it is showing ip to be 208.254.3.177 but it is 192.168.1.3
i want that this redhatbox should act as the dns server of myintranet...so that i can run apache server on centos box

... what shall i do????

If the system is getting its IP inforamation via DHCP, you need to configure the DHCP server to provide YOUR DNS server's IP address.

already done.... bt still not working

If this is a caching-only name server, then the name server will query the DNS server authoritative for myintranet.net, which is:

Your caching-only DNS server is not authoritative for the zone myintranet.com.

If the your DNS server does provide a split-DNS LAN-only view, then it is not a caching-only server.

Your said your CentOS system has no entry in /etc/resolv.conf. This file must contain a nameserver entry pointing to your DNS server's IP address. Without this, your DNS server is not queried.

i manually wrote an entry in /etc/resolv.conf on both system bt it didnt work.......
i hv also modofied the /etc/named.conf to take my redhatbox as a master dns server.... the entry for myintranet.net is in internal section..............

You're in a non-winning position, by not allowing us, who understand how the system works, the ability to make our own diagnosis based on evidence, And if we take your word that you've performed everything correctly, you wouldn't be asking for help, right?! :-)

There is not much one can conclude from an "it doesn't work" statement, nor is there room for additional suggestions when responses are dismissive or uninvolved. You really have to help others help you. And you do this by showing the steps you've taken, configuration files, and actual results of tests.

thanx everyone for your help.. the dns server is working fine....