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DateMon, 17 Dec 2007 10:21:26 +0530
FromVaidyanathan Srinivasan <>
SubjectRe: 1.0.0.0 DNS replies for many domain names (network)
* Amogh Hooshdar <amoghhooshdar@gmail.com> [2007-12-14 17:20:17]:

> I am having a strange problem with Debian Etch 4.0 (both 64-bit and
> 32-bit) using 2.6.18 kernel. Most websites do not open with browser,
> Pidgin and most other GUI applicatoins. but I am able to ping them
> fine. I am also able to do nslookup properly. When I tried to
> investigate it with Wireshark net sniffer, I observed the following.
> 
> PROBLEM WITH 2.6.18
> Say, I try to open www.google.com, browser sends DNS query for
> www.google.com to my DNS server which is correctly configured in
> resolv.conf. It replies with the correct IP address. www.google.com
> redirects the browser to www.google.co.in. browser sends a DNS query
> again for www.google.co.in and the DNS server replies with 1.0.0.0
> which obviously is the wrong address.

I had this problem on Debian 4.0 and it was due to bug in the DSL
router.  I had DNS server set to 192.168.1.1 that is my DSL router
that holds the real DNS IP and forwards the DNS lookup request.

Once in a while the DNS proxy server will give out 1.0.0.0.  The
solution I used was to find the real DNS server and fill it in
resolv.conf  This avoids the DNS proxy on the router and then problem
went away.

https://bugs.launchpad.net/ubuntu/+bug/81057

--Vaidy



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