Re: Problems resolving hostnames

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On 04/17/2011 08:57 PM, Orion Poplawski wrote:
> I'm having trouble resolving hostnames with certain clients on my F15
> box.  It appears perhaps to be an issue with my wireless DSL router
> returning bogus (empty) IPv6 queries.  Has anyone else seen this?
>
> # ssh earth.cora.nwra.com
> ssh: Could not resolve hostname earth.cora.nwra.com: Name or service not
> known
>
>    10.471130 192.168.100.67 ->  192.168.100.1 DNS Standard query A
> earth.cora.nwra.com
>    10.471301 192.168.100.67 ->  192.168.100.1 DNS Standard query AAAA
> earth.cora.nwra.com
>    10.517326 192.168.100.1 ->  192.168.100.67 DNS Standard query response
> A 65.44.101.180
>    10.518840 192.168.100.1 ->  192.168.100.67 DNS Standard query response
>
> firefox and thunderbird are working fine.  So is yum/curl.  ssh and
> telnet fail.
>

ssh -4 earth  works.  So definitely an ipv6 issue.  Question is, whose 
fault is this?  Should the router's DNS resolver be returning something 
different?  glibc or ssh handling it differently?

-- 
Orion Poplawski
Technical Manager                     303-415-9701 x222
NWRA/CoRA Division                    FAX: 303-415-9702
3380 Mitchell Lane                  orion@xxxxxxxxxxxxx
Boulder, CO 80301              http://www.cora.nwra.com
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