DNS cache in Ubuntu?

[NoOp]

On 12/05/2009 06:08 AM, Werner Schram wrote:
> Ryan Chan schreef:
>> Hello,
>>
>> On Sat, Dec 5, 2009 at 1:48 AM, Tom H <tomh0665 at gmail.com> wrote:
>>   
>>>>> Is your question related to bind or djbdns? Or is it related to browsers?
>>>>>         
>>>> Ubuntu network feature, e.g. ping is using old DNS cache.
>>>>       
>>> Install nscd
>>> aptitude install nscd
>>>
>>> To flush
>>> invoke-rc.d nscd restart
>>>
>>>     
>>
>> I have not installed nscd, so just wonder why caching happen.
>>
>>   
> The linux kernel does not cache dns queries, you need a userspace
> application like nscd for that. If you do not have that installed, your
...

I wonder if perhaps it is an avahi issue/problem?
http://www.unchartedbackwaters.co.uk/pyblosxom/tags/dns
<https://bugs.launchpad.net/ubuntu/+source/avahi/+bug/94940>
<https://bugs.launchpad.net/ubuntu/+source/avahi>