[Unbound-users] queries to root servers not getting answered.

Mariano Absatz - gmail el.baby at gmail.com
Fri Aug 17 11:08:15 UTC 2012

On Fri, Aug 17, 2012 at 3:54 AM, W.C.A. Wijngaards <wouter at nlnetlabs.nl>wrote:

> Hash: SHA1
> Hi Mariano,
> On 08/16/2012 05:27 PM, Mariano Absatz - gmail wrote:
> > Hi,
> >
> > I just compiled and installed lnsd 1.6.13 and unbound 1.4.18 on a
> > debian lenny VM.
> >
> > Since I was getting temporary failures, I raised the log verbosity
> > to 3 and the log (which I add at the end of the message) seems to
> > indicate that queries to the root name server are either not being
> > sent or not being answered...
> >
> > I kinda manually replicated the behavior of the resolver (using
> > dbndns' dnsq command) in the same machine and got instant responses
> > in every case (copied below the log).
> Did you set +dnssec and +cdflag (options for 'dig') on the queries you
> tested yourself?  If not, your test differed from what unbound does.
Nope... I hadn't even enabled dnssec 'cause I wanted to test plain old
resolution first.

> The answers are bigger with the signatures included.  Maybe you have a
> firewall that drops UDP packets bigger than 512 bytes?
That might be... I'll talk with the firewall guy and check that (and come
back next week since I won't have access to the server until Monday).

Thanx for your help.

Mariano Absatz - El Baby
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.nlnetlabs.nl/pipermail/unbound-users/attachments/20120817/f97ba15c/attachment.htm>

More information about the Unbound-users mailing list