On Sun,07.Feb.10, 19:25:41, Adam Hardy wrote:

[big snip]

> OK here's my nslookup experiment - here's my resolv.conf which
> contains 4.2.2.1 because I modified my dhcp3/dhclient.conf to append
> 4.2.2.1 after the BT nameserver (this is a gateway machine):
> 
> a...@isengard:~$ cat /etc/resolv.conf
> domain localdomain
> search localdomain
> nameserver 127.0.0.1
> nameserver 194.74.65.68
> nameserver 4.2.2.1
> 
> 
> a...@isengard:~$ nslookup www.trade2win.com
> Server:               127.0.0.1
> Address:      127.0.0.1#53
> 
> Non-authoritative answer:
> www.trade2win.com     canonical name = panna-229.trade2win.com.
> Name: panna-229.trade2win.com
> Address: 208.43.120.229
> 
> a...@isengard:~$ nslookup www.trade2win.com - 194.74.65.68
> Server:               194.74.65.68
> Address:      194.74.65.68#53
> 
> ** server can't find www.trade2win.com: NXDOMAIN

So your ISP's nameserver fails.

> a...@isengard:~$ nslookup www.trade2win.com - 4.2.2.1
> Server:               4.2.2.1
> Address:      4.2.2.1#53
> 
> Non-authoritative answer:
> www.trade2win.com     canonical name = panna-229.trade2win.com.
> Name: panna-229.trade2win.com
> Address: 208.43.120.229
> 
> 
> Is this incontrovertible evidence that it's not me causing the problem?

If you can reproduce it then yes, it shows that the ISP's nameserver is 
buggy.

Regards,
Andrei
-- 
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