On Wed, 30 Jul 2008, kenneth.reeves@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.