I want to get a IP address from hostname.
Here i have the problem like this..



[root@hall43 root]# dig google.com

; <<>> DiG 9.2.1 <<>> google.com
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 41505
;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 13, ADDITIONAL: 0

;; QUESTION SECTION:
;google.com. IN A

;; AUTHORITY SECTION:
. 518400 IN NS H.ROOT-SERVERS.NET.
. 518400 IN NS I.ROOT-SERVERS.NET.
. 518400 IN NS J.ROOT-SERVERS.NET.
. 518400 IN NS K.ROOT-SERVERS.NET.
. 518400 IN NS L.ROOT-SERVERS.NET.
. 518400 IN NS M.ROOT-SERVERS.NET.
. 518400 IN NS A.ROOT-SERVERS.NET.
. 518400 IN NS B.ROOT-SERVERS.NET.
. 518400 IN NS C.ROOT-SERVERS.NET.
. 518400 IN NS D.ROOT-SERVERS.NET.
. 518400 IN NS E.ROOT-SERVERS.NET.
. 518400 IN NS F.ROOT-SERVERS.NET.
. 518400 IN NS G.ROOT-SERVERS.NET.

;; Query time: 13 msec
;; SERVER: 10.1.1.1#53(10.1.1.1)
;; WHEN: Sat Nov 26 18:19:10 2005
;; MSG SIZE rcvd: 239

[root@hall43 root]#



[root@hall43 root]# cat /etc/resolv.conf
search iitk.ac.in cc.iitk.ac.in
nameserver 10.1.1.1
[root@hall43 root]#

Can u pls resolve this problem ??

[root@hall43 root]# nslookup www.yahoo.com
Note: nslookup is deprecated and may be removed from future releases.
Consider using the `dig' or `host' programs instead. Run nslookup with
the `-sil[ent]' option to prevent this message from appearing.
Server: 10.1.1.1
Address: 10.1.1.1#53

Non-authoritative answer:
*** Can't find www.yahoo.com: No answer

[root@hall43 root]#

Do you have your dns servers correctly configured in /etc/resolv.conf?

After some experiment with my DNS server..
I found this result..


[root@hall43 root]# dig @10.1.1.2 www.linuxquestions.org

; <<>> DiG 9.2.1 <<>> @10.1.1.2 www.linuxquestions.org
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 39672
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 3, ADDITIONAL: 1

;; QUESTION SECTION:
;www.linuxquestions.org. IN A

;; ANSWER SECTION:
www.linuxquestions.org. 3374 IN A 64.179.4.149

;; AUTHORITY SECTION:
linuxquestions.org. 3371 IN NS ns2.linuxquestions.org.
linuxquestions.org. 3371 IN NS ns1.linuxquestions.net.
linuxquestions.org. 3371 IN NS ns1.linuxquestions.org.

;; ADDITIONAL SECTION:
ns1.linuxquestions.net. 93322 IN A 64.179.4.150

;; Query time: 3 msec
;; SERVER: 10.1.1.2#53(1.1.1.2)
;; WHEN: Sat Nov 26 19:14:22 2005
;; MSG SIZE rcvd: 144

[root@hall43 root]# nmap 64.179.4.149

Starting nmap V. 3.00 ( www.insecure.org/nmap/ )
Note: Host seems down. If it is really up, but blocking our ping probes, try -P0
Nmap run completed -- 1 IP address (0 hosts up) scanned in 30 seconds
[root@hall43 root]# ping 64.179.4.149
PING 64.179.4.149 (64.179.4.149) 56(84) bytes of data.

--- 64.179.4.149 ping statistics ---
57 packets transmitted, 0 received, 100% packet loss, time 56013ms

[root@hall43 root]# ping 64.179.4.150
PING 64.179.4.150 (64.179.4.150) 56(84) bytes of data.

--- 64.179.4.150 ping statistics ---
15 packets transmitted, 0 received, 100% packet loss, time 14013ms

[root@hall43 root]#