DNS Root Server List Query

[Brian Chadwick]

Ed Greshko wrote:
> Brian Chadwick wrote:
>> G.Wolfe Woodbury wrote:
>>> Dan Track wrote:
>>>  
>>>> Hi
>>>>
>>>> I'm curious as to how a fedora DNS server functions on a basic level.
>>>> As far as I am aware when a DNS server queries a domain name and it
>>>> doesn't have it in its cache then it will begin a query from the root
>>>> name servers and then go down the DNS tree until it gets to its final
>>>> result. My question is then where in fedora is this list of root
>>>> nameservers?
>>>>
>>>> Thanks
>>>> Dan
>>>>     
>>>
>>> There should be a "named.ca" file that contains the hints cache for the
>>> root name servers.
>>>
>>>   
>> it doesnt quite work that way.
>>
>> named queries the next most authoritative DNS server, ie, your ISP's 
>> ... then the ISP's named queries its' next most authoritative, and so 
>> on, until the query is answered. seldom does the query get to the 
>> root servers.
>
> Ooopss...  Not completely accurate.
>
> It depends on how your /etc/resolv.conf is configured as well as if 
> you are running a local name server.  And, while requests may not make 
> it to the "root servers" they often reach the gtld servers.
>
> But, there are plenty of DNS resources to be found that include 
> detailed information about the query process.
>
>
quite true, the behaviour i stated only occurs if you provide a 
forwarders clause, otherwise it queries root servers