DNS not being populated in resolv.conf

[Kaushal Shriyan]

On Mon, Nov 29, 2010 at 3:09 PM, Tom H <tomh0665 at gmail.com> wrote:

> On Mon, Nov 29, 2010 at 4:16 AM, Kaushal Shriyan
> <kaushalshriyan at gmail.com> wrote:
> > On Mon, Nov 29, 2010 at 1:16 PM, Tom H <tomh0665 at gmail.com> wrote:
> >>
> >> What's the output of
> >> grep hosts /etc/nsswitch.conf
> >> dig +trace office_server
> >> dig +trace +nosearch office_server
> >
> > kaushal at kaushal-laptop:~$ grep hosts /etc/nsswitch.conf
> > hosts:          files mdns4_minimal [NOTFOUND=return] dns mdns4
> >
> > kaushal at kaushal-laptop:~$ dig +trace 172.26.0.1
> > ;; connection timed out; no servers could be reached
> >
> > kaushal at kaushal-laptop:~$ dig +trace +nosearch 172.26.0.1
> > ;; connection timed out; no servers could be reached
> >
> > kaushal at kaushal-laptop:~$ping 172.26.0.1
> > 64 bytes from 172.26.0.1: icmp_seq=1 ttl=64 time=2.96 ms
> >
> > kaushal at kaushal-laptop:~$netstat -r | grep -w default
> > default         172.26.0.1    0.0.0.0         UG        0 0          0
> eth0
> >
> > kaushal at kaushal-laptop:~$host off.example.com
> > off.example.com has address publicIP
> >
> > I dont know why off.example.com resolves to my External Outgoing Public
> IP
> > and not Internal LAN Gateway IP.
>
> I've never used "host" so I can't comment on the above.
>
> If you supply dig with an ip address, you have to pass the "-x" option.
>
> What's the output of
> $ dig +trace off.example.com
> $ dig +trace -x 172.26.0.1
>
> (By the way, since "off.example.com" is a box, your "resolv.conf"
> search line with "search off.example.com" is incorrect.)
>
> --
>

Hi Tom,

kaushal at kaushal-laptop:~$ dig +trace off.example.com

; <<>> DiG 9.7.0-P1 <<>> +trace off.example.com
;; global options: +cmd
;; connection timed out; no servers could be reached
kaushal at kaushal-laptop:~$ dig +trace -x 172.26.0.1

; <<>> DiG 9.7.0-P1 <<>> +trace -x 172.26.0.1
;; global options: +cmd
;; connection timed out; no servers could be reached
kaushal at kaushal-laptop:~$ telnet 172.26.0.1 53
Trying 172.26.0.1...
Connected to 172.26.0.1.
Escape character is '^]'.
^]

telnet> Connection closed.
kaushal at kaushal-laptop:~$

Thanks

Kaushal
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