Are you referring to a tracert or something more in-depth? -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Tim Hines Sent: Monday, January 10, 2005 12:27 PM To: [email protected] Subject: Re: [ActiveDir] DNS timeouts
Have you tried doing a network trace to see the DNS queries and responses? That should help you determine where the delay is. ----- Original Message ----- From: "Rimmerman, Russ" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Monday, January 10, 2005 12:41 PM Subject: [ActiveDir] DNS timeouts > > When we do an nslookup on an external host, we often get a timeout 3 or 4 > times before it finally resolves. We are using our child domain controllers > for all our desktops DNS. The child DCs are forwarding to the root DCs. > The root DCs have the root-hints on them, and are allowed by the firewall to > go out port 53 for UDP and TCP. Any settings we need to tweak? > > I did a couple lookups on carmax.com and they timed out, then they finally > resolved. Our child DC is 10.4.223.32. This is part of a debug log on my > root DC. Any ideas? > > 11:23:13 2334 PACKET UDP Rcv 10.4.223.32 0d2d Q [0001 D NOERROR] > (6)carmax(3)com(0) > > 11:23:13 2334 PACKET UDP Snd 192.41.162.30 35c0 Q [0000 NOERROR] > (6)carmax(3)com(0) > > 11:23:13 2334 PACKET UDP Rcv 192.41.162.30 35c0 R Q [0080 NOERROR] > (6)carmax(3)com(0) > > 11:23:13 2334 PACKET UDP Snd 199.191.128.105 35c0 Q [0000 NOERROR] > (6)carmax(3)com(0) > > 11:23:13 2334 PACKET UDP Rcv 199.191.128.105 35c0 R Q [0084 A NOERROR] > (6)carmax(3)com(0) > > 11:23:13 2334 PACKET UDP Snd 10.4.223.32 0d2d R Q [8081 DR NOERROR] > (6)carmax(3)com(0) > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > This e-mail is confidential, may contain proprietary information > of the Cooper Cameron Corporation and its operating Divisions > and may be confidential or privileged. > > This e-mail should be read, copied, disseminated and/or used only > by the addressee. If you have received this message in error please > delete it, together with any attachments, from your system. > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > List info : http://www.activedir.org/mail_list.htm > List FAQ : http://www.activedir.org/list_faq.htm > List archive: http://www.mail-archive.com/activedir%40mail.activedir.org/ List info : http://www.activedir.org/mail_list.htm List FAQ : http://www.activedir.org/list_faq.htm List archive: http://www.mail-archive.com/activedir%40mail.activedir.org/ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ This e-mail is confidential, may contain proprietary information of the Cooper Cameron Corporation and its operating Divisions and may be confidential or privileged. This e-mail should be read, copied, disseminated and/or used only by the addressee. If you have received this message in error please delete it, together with any attachments, from your system. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ List info : http://www.activedir.org/mail_list.htm List FAQ : http://www.activedir.org/list_faq.htm List archive: http://www.mail-archive.com/activedir%40mail.activedir.org/
