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

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On Tue, Feb 9, 2010 at 7:16 PM, Tim <ignored_mailbox@xxxxxxxxxxxx> wrote:

>
> Wild guess:  Look at your resolv.conf files.

It is very simple (I think):

; generated by /sbin/dhclient-script
search bom.gov.au
nameserver 134.178.14.1
nameserver 134.178.14.3



> But, with the amount of blanking out of details in your reports, they're
> next to useless for anyone to diagnose anything with.  Have a look at
> your message headers, if you see the same addresses as you've been
> hiding, then there's no point hiding them.  Post your error reports with
> the real addresses showing.
>

The full dig messages (querying windows server followed by unix server):
====
[timl@timl ~]$ dig www.bom.gov.au

; <<>> DiG 9.6.1-P3-RedHat-9.6.1-16.P3.fc12 <<>> www.bom.gov.au
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 15815
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;www.bom.gov.au.			IN	A

;; ANSWER SECTION:
www.bom.gov.au.		14	IN	A	210.8.42.125

;; Query time: 0 msec
;; SERVER: 134.178.14.1#53(134.178.14.1)
;; WHEN: Wed Feb 10 09:47:54 2010
;; MSG SIZE  rcvd: 48

[timl@timl ~]$ dig @134.178.6.5 www.bom.gov.au

; <<>> DiG 9.6.1-P3-RedHat-9.6.1-16.P3.fc12 <<>> @134.178.6.5 www.bom.gov.au
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 33002
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 2

;; QUESTION SECTION:
;www.bom.gov.au.			IN	A

;; ANSWER SECTION:
www.bom.gov.au.		13	IN	A	210.8.42.125

;; AUTHORITY SECTION:
www.bom.gov.au.		600	IN	NS	bom-aapt-scss.bom.gov.au.
www.bom.gov.au.		600	IN	NS	bom-aapt-pcss.bom.gov.au.

;; ADDITIONAL SECTION:
bom-aapt-pcss.bom.gov.au. 600	IN	A	210.8.186.42
bom-aapt-scss.bom.gov.au. 600	IN	A	210.8.42.106

;; Query time: 1 msec
;; SERVER: 134.178.6.5#53(134.178.6.5)
;; WHEN: Wed Feb 10 09:48:47 2010
;; MSG SIZE  rcvd: 136
===

>> work around that has been found is to run dnsmasq on the Fedora
>> workstations.
>
> Isn't that the kludge suggested for IPv6 problems?  (I can't remember.)
> If so, look into either getting IPv6 working properly, or *completely*
> disabled.

I have heard that dnsmasq has been used as  work around bad DNS
resolvers inside ADSL modems that don't handle queries for AAAA
records properly.

The workstations in question don't seem to have this issue. IPv6 is
enabled but there are no v6 gateways/routers on the network so they
only have link-local addresses.

Tim.
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