Problem resolving www.futureshop.ca

Ronan Flood ronan at noc.ulcc.ac.uk
Sun May 29 21:16:06 UTC 2005


Lawrence Houston <bind at greenfield.dyndns.org> wrote:

> Although neither dns1 or dns2 generate a response via TCP, the error
> generated (and time delay) are different.  Curiously the delay for the TCP
> Request to DNS1 is quite short, while the TCP Request to DNS2 takes longer
> (similar to the delays for UDP Requests to both Nameservers):
> 
> DNS1
> -----------------------------------------------------------------------
> dig @216.123.224.131 www.futureshop.ca. +norec +vc
> ;; communications error to 216.123.224.131#53: end of file
> -----------------------------------------------------------------------

That's interesting: looks like dns1 closed the TCP connection
without returning a response.  Is it possible they've got your
IP address on their blackhole list?

-- 
                      Ronan Flood <R.Flood at noc.ulcc.ac.uk>
                        working for but not speaking for
             Network Services, University of London Computer Centre
     (which means: don't bother ULCC if I've said something you don't like)



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