[Pdns-users] Erroneous NXDOMAIN from Ebay triggered by EDNS extra info

bert hubert bert.hubert at netherlabs.nl
Sun Dec 29 14:11:29 UTC 2013

On Sun, Dec 29, 2013 at 03:01:31PM +0100, sthaug at nethelp.no wrote:
> > Also, I could find anything about disable-edns / disable-edns-ping at
> ......... could *not* find

Hi Steinar,

That's because you should not be touching these settings. In fact it is
currently documented as "pdns_recursor.cc:    ::arg().setSwitch(
"disable-edns", "Disable EDNS - EXPERIMENTAL, LEAVE DISABLED" )= """.

For now, everyone should be leaving these settings to their default values
since, as you observe, things break if you touch them.

It turns out that the internet still (2013) requires careful probing before
using EDNS.


> Steinar Haug, Nethelp consulting, sthaug at nethelp.no
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