Strange problem with resolution

Jeremy C. Reed Jeremy_Reed at isc.org
Wed Jul 30 23:02:03 UTC 2008


On Wed, 30 Jul 2008, kenneth.reeves at verizon.com wrote:

> I'm having a strange problem with 9.5.0-P1.  We upgraded from 9.2.3 last
> week.  Since then we have had problems with resolution of some domains
> and not others.  For example, we can't get resolution from the root name
> servers for Microsoft.com, yahoo.com, msnbc.com, hotmail.com.  We can
> get it for dell.com, hp.com, cisco.com, novell.com and most others.  We
> put a sniffer on the wire going out to the internet and the queries were
> going out but nothing was coming back for those domains.  We then
> reverted back to 9.2.3 and all is working well again.  We are using the
> same conf and zone files.  Nothing has changed.  We have updated our
> db.root file, but that has not helped.  Any ideas.  This is compiled and
> running on Solaris 9.

Replying again (after I read again :)

Try to look them up manually using dig on same server using same remote 
nameservers.



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