Weird DNS issue with a specific web site with Fedora 12 (Temporary failure in name resolution?)

[August]

First, you can try ping the IP of the host
As you can require IP address from DNS, that is not represent the IP(host)
is activing.

2010/2/9 Tim Long <timwarm at gmail.com>

> Hi,
>
> I recently upgraded my work computer to  Fedora 12 and I am having a
> weird DNS issue for an internal website in my organization.
>
> Performing a dig/nslookup for the web site returns a IP address but
> trying to contact via a web browser/wget/telnet fails with a DNS error
> (the actually web site and IP numbers are scrubbed)
> -----
> ~]$ nslookup www.site.com
> Server:         ###.###.###.###
> Address:        ###.###.###.####53
>
> Non-authoritative answer:
> Name:   www.site.com
> Address: ***.***.***.***
>
>  ~]$ telnet www.site.com 80
> telnet: www.site.com: Temporary failure in name resolution
> www.site.com: Host name lookup failure
> ----
>
> Everyone in our organization who has upgraded to Fedora 12 and is
> running networking via DHCP has this issue. People with static IP
> addresses don't have a problem. This issue seems to be specific to
> only this server in the organization and did not occur with earlier
> versions of Fedora. Also the nsswitch.conf files are stock standard
> and haven't changed.
>
> We have done investigation and the issue might be related to the fact
> that our main DNS servers are windows boxes. When we override the DNS
> setting and point it at a pirate Unix (read stable!) DNS server in the
> problem goes away. Another work around that has been found is to run
> dnsmasq on the Fedora workstations. The problem is that these
> workarounds is that they the break dynamic DNS system we have to run.
>
> Can anyone offer some help? Even some pointers to where to start
> digging/debugging would be helpful because we are all stumped.
>
> Thanks,
>
> Tim Long.
>
> If it helps I have included the full output from dig for reference
>
> Querying the Window DNS server gives something like:
>
> ; <<>> DiG 9.6.1-P3-RedHat-9.6.1-16.P3.fc12 <<>> ###.###.###.###
> ;; global options: +cmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 24111
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0
>
> ;; QUESTION SECTION:
> ;###.###.###.###.                       IN      A
>
> ;; ANSWER SECTION:
> ###.###.###.###.                11      IN      A       ***.***.***.***
>
> ;; Query time: 0 msec
> ;; SERVER: ***.***.***.***#53(***.***.***.***)
> ;; WHEN: Tue Feb  9 17:27:18 2010
> ;; MSG SIZE  rcvd: 48
>
>
> Querying the pirate DNS server returns:
>
> ; <<>> DiG 9.6.1-P3-RedHat-9.6.1-16.P3.fc12 <<>> @134.178.6.5###.###.###.###
> ; (1 server found)
> ;; global options: +cmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 54136
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 2
>
> ;; QUESTION SECTION:
> ;###.###.###.###.                       IN      A
>
> ;; ANSWER SECTION:
> ###.###.###.###.                9       IN      A       ***.***.***.***
>
> ;; AUTHORITY SECTION:
> ###.###.###.###.                600     IN      NS      ***.***.***.***.
> ###.###.###.###.                600     IN      NS      ***.***.***.***.
>
> ;; ADDITIONAL SECTION:
> ###.###.###.###. 600    IN      A       ***.***.***.***
> ###.###.###.###. 600    IN      A       ***.***.***.***
>
> ;; Query time: 1 msec
> ;; SERVER: ***.***.***.***#53(***.***.***.***)
> ;; WHEN: Tue Feb  9 17:39:11 2010
> ;; MSG SIZE  rcvd: 136
> --
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-- 
Best Regards
August
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