Limited Visibility

Sebastian Castro secastro at
Thu Jan 29 18:59:14 UTC 2004

On Wed, Jan 28, 2004 at 08:48:48PM +0100, Stephane Bortzmeyer wrote:
> On Wed, Jan 28, 2004 at 06:35:38PM +0000,
>  Geoff Austin <gaustin at> wrote 
>  a message of 30 lines which said:
> > Today I tried to reach the www server from one of the failing ISPs
> > and it could not find the site with
> What does "dig A" yield? What ISP is it?
> > However, when I enter the numeric IP addess, i.e., it
> > displays the page happily.
> > 
> > Does this indicate that there is no routing problem, 
> You are probably right, the problem seems elsewhere.

At least to me, clearly seems to be a resolution problem at ISP level.

You can try 'dig A +trace' to follow the whole
resolution problem, maybe gives you a clue.

I recommend to check the delegation: authoritative answer to SOA should
be received from all secondary name servers.

Best Regards


Sebastian E. Castro Avila             sebastian at
Administrador de DNS, NIC Chile

Agustinas 1357 Piso 4  
Santiago, Chile Cod. Postal 6500587                   
Phone: +56-2-9407705                  Fax  : +56-2-9407701 

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