Maintained by: NLnet Labs

[Unbound-users] Talking directly to root servers

W.C.A. Wijngaards
Fri Aug 17 08:55:17 CEST 2012


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Hi Murray,

On 08/17/2012 08:43 AM, Murray S. Kucherawy wrote:
> Hi,
> 
> I have an application linked against libunbound-1.4.12.  Although 
> resolv.conf does list some local nameservers, including 127.0.0.1, 
> strace shows libunbound talking directly to the various 
> root-servers.net hosts looking for answers.
> 
> The online documentation appears to suggest /etc/resolv.conf will
> be read and used if ub_ctx_resolvconf() is passed a NULL filename
> (or, of course, if it's passed "/etc/resolv.conf"), but it's
> unclear what happens if this is never called.  Is it the case that
> I have to call this to use resolv.conf and a hard-coded list of
> root servers is used otherwise?

Yes.  It uses the root servers.  If you call resolvconf() it uses
resolv.conf.

Best regards,
   Wouter

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