Which DNS servers are used when DNS Recursion is enabled?

[iridium1191]

Hi Forum,

I have a basic (for me) DNS question I hope someone can clarify.

We're running EFA-3.0.2.6 with DNS Recursion enabled and everything works fine.
The contents of /etc/resolv.conf are:
nameserver 127.0.0.1

The result of running nslookup on the server indicates the query is resolved by the local unbound process
Server: 127.0.0.1
Address: 127.0.0.1#53

There are no DNS servers configured in the network config files and the EFA IP Settings setup specifies
5) Primary DNS : forward-addr:
6) Secondary DNS : forward-addr:

So my question is how does the unbound server resolve a DNS request? I can't find any forwarding DNS servers in the unbound config file or anywhere else for that matter. In fact when I add a forwarder to the unbound config files it breaks recursion and we receive URIBL_BLOCKED errors.
Without forwarders specified is unbound resolving each new request from the root DNS servers and then caching it?

Any clues would be appreciated.

[pdwalker]

is unbound resolving each new request from the root DNS servers and then caching it?

yes.