Dig timeout on certain domains
Paul Howarth
paul at city-fan.org
Thu Oct 7 07:11:17 UTC 2004
On Wed, 2004-10-06 at 23:33, Aaron O'Hara wrote:
> Thanks for the tip. The trace showed me lots of information. I know how
> far it got, but don't know what it was trying to do when it timed out.
> Here's the last bit of the DiG output:
>
> ;; Received 436 bytes from 127.0.0.1#53(127.0.0.1) in 2 ms
>
> ca. 172800 IN NS ca05.cira.ca.
> ca. 172800 IN NS ns-ext.isc.org.
> ca. 172800 IN NS ca02.cira.ca.
> ca. 172800 IN NS ca06.cira.ca.
> ca. 172800 IN NS ca04.cira.ca.
> ca. 172800 IN NS ca01.cira.ca.
> ;; Received 287 bytes from 193.0.14.129#53(K.ROOT-SERVERS.NET) in 797 ms
>
> futureshop.ca. 86400 IN NS dns2.cidc.telus.com.
> futureshop.ca. 86400 IN NS dns1.cidc.telus.com.
> ;; Received 87 bytes from 129.33.164.84#53(ca05.cira.ca) in 2442 ms
>
> ;; connection timed out; no servers could be reached
Here's what it should look like:
...
ca. 172800 IN NS CA05.CIRA.ca.
ca. 172800 IN NS NS-EXT.ISC.ORG.
ca. 172800 IN NS CA02.CIRA.ca.
ca. 172800 IN NS CA06.CIRA.ca.
ca. 172800 IN NS CA04.CIRA.ca.
ca. 172800 IN NS CA01.CIRA.ca.
;; Received 287 bytes from 128.63.2.53#53(H.ROOT-SERVERS.NET) in 117 ms
futureshop.ca. 86400 IN NS dns2.cidc.telus.com.
futureshop.ca. 86400 IN NS dns1.cidc.telus.com.
;; Received 87 bytes from 129.33.164.84#53(CA05.CIRA.ca) in 174 ms
www.futureshop.ca. 86400 IN A 199.60.115.193
futureshop.ca. 86400 IN NS dns2.cidc.telus.com.
futureshop.ca. 86400 IN NS dns1.cidc.telus.com.
;; Received 135 bytes from 66.203.199.203#53(dns2.cidc.telus.com) in 122
ms
> Why did it timeout?
Either you cannot resolve dns1.cidc.telus.com and dns2.cidc.telus.com or
you cannot reach them. You can test if you can reach them by querying
those nameservers directly:
dig @216.123.224.131 www.futureshop.ca
dig @66.203.199.203 www.futureshop.ca
The first of these is dns1.cidc.telus.com, the second is
dns2.cidc.telus.com.
Given that these servers are on completely different networks, I suspect
you cannot resolve them. Try:
dig dns1.cidc.telus.com +trace
Paul.
--
Paul Howarth <paul at city-fan.org>
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