need some help to setup nslookup

Denis Vlasenko vda.linux at googlemail.com
Fri Jul 27 12:24:48 UTC 2007


On 7/25/07, Choi Jason <kbc_hyper at hotmail.com> wrote:
> Hello All,
>
> I think I need your help at this time. :)
> Now, I tried to use nslookup on my target system.
> When I compiled busybox, I just turned on Networking Utilities -> nslookup.
> And I install this busybox to my target.
> And I create /etc/resolv.conf.
> Contents of /etc/resolv.conf is as followings
> ----------------
> search abc.net
> nameserver 4.2.2.1
> ----------------
> And I create /etc/hosts as followings
> ----------------
> 127.0.0.1            localhost
> 192.168.6.77        abc.site  abc
> 209.131.36.158      www.yahoo.com
> ----------------
>
> When I tried "nslookup www.google.com", following message is displayed.
> ----------------
> # nslookup www.google.com
> Server    : 4.2.2.1
> Address 1: 4.2.2.1
>
> nslookup: can't resolve 'www.google.com'
> ----------------
> And when I tried "nslookup www.yahoo.com", following message is displayed.
> ----------------
> #nslookup www.yshoo.com
> Server:     4.2.2.1
> Address 1: 4.2.2.1
>
> Name:       www.yahoo.com
> Address 1: 209.131.36.158 www.yahoo.com

Enable CONFIG_VERBOSE_RESOLUTION_ERRORS=y, it will give a bit more info:

$ ./busybox nslookup www.sdjhgfklsdjgf.com
Server:    172.26.128.68
Address 1: 172.26.128.68 XXXXXXXXXXXXXXX

nslookup: can't resolve 'www.sdjhgfklsdjgf.com': Name or service not known
                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^ here

--
vda



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