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
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