Dns Resolver Error Domino

server; DNS; domain name system; MX records; nslookup; outbound smtp; network; router; mail; messaging; troubleshoot; troubleshoot:A records Technote (troubleshooting) Problem Unable to route outbound SMTP mail relating to Domino and DNS. Symptom - Messages back up in the mail.box. - The router task displays the error message 'Waiting for DNS availability'. - The server attempts to connect to an internet domain rather than the mail exchanger. Resolving the problem It is suggested to work with your network administrator to help resolve these types of issues. I. Understanding how Domino handles external Internet domains. II. Troubleshooting using debug parameters. III. Troubleshooting manually. IV. Troubleshooting the network. V. Related technotes. Phase I. Understanding how Domino handles external Internet domains. The Domain Name System (DNS) and SMTP mail routing The Domain Name System (DNS) is a directory used by SMTP to convert a name, such as acme.com, to a list of servers that can receive connections for that name and to find the IP address of a specific server. By looking up a destination server's address in the DNS, the sending server can properly route a message to a recipient. DNS uses two kinds of records: Mail Exchanger (MX) records and A records. An MX record maps a domain name to the names of one or more mail hosts. An A record maps a host name to the IP address of a server. You must correctly configure DNS to support your use of SMTP. To determine the IP address of the mail server for the destination domain, Lotus Domino does the following: 1. The server looks up the domain part of each recipient's address in DNS. 2. If DNS finds an MX record, the server tries to connect to the server listed in that MX record. If there is more than one MX record, the server tries to connect to the record that has the lowest cost. If more than one MX record has the lowest cost, the server randomly selects one and tries to connect to the server listed in that MX record. Note: There may be more than one MX record for a specific domain name. The host name is looked up in DNS to find an A record. An A record contains the IP address for the host. 3. If DNS finds only an A record, Domino routes the message to the IP address in that A record. 4. If DNS does not find a record, Domino cannot deliver the message and sends a nondelivery message to the sender. An MX record maps a domain name to one or more host names. An A record maps a hos

Training Support Forums & community Events Rational Tivoli WebSphere Java technology Linux Open source SOA and Web services Web development XML My developerWorks About dW Submit content Feedback developerWorks>Lotus>Forums & community>Notes/Domino 4 and 5 Forum Notes/Domino 4 and 5 Forum Router: res_send failure DNS resolver error, domain Router: res_send failure DNS resolver error, domainPosted by Markus R Irby on 1.Sep.02 at 10:23 PM using a Web browserCategory: Domino Server -- SMTPRelease: 5.0.11Platform: Windows 2000 Hi, I've got the issue above, and I have searched the forum. I've found hits on the error message, but nothing like what I'm http://www-01.ibm.com/support/docview.wss?uid=swg21420956 experiencing. I'm getting the above error only with transfering to one domain (which coincidentally, is also a Domino SMTP server). It just started happening a week ago, without any changes to domino (I'm pretty sure none were made to the OS either). DNS lookups to this domain from the server are fine, and I can telnet to this server and get the helo response from the domino box. http://www-10.lotus.com/ldd/46dom.nsf/4d21f120f5a2cf4985256a150076d0d5/72f857148d1d1f0785256c28000d2b97?OpenDocument Ideas? Here's the whole error: 09/01/2002 07:15:37 PM Router: res_send failure DNS resolver error, domain 09/01/2002 07:15:37 PM Router: Unable to resolve destination domain DOMAIN.COM; DNS is unavailable, message will be requeued. 09/01/2002 07:15:53 PM Router: res_send failure DNS resolver error, domain DOMAIN.COM Return to top Router: res_send failure DNS resolv... (Markus R Irby 1.Sep.02) . . RE: Router: res_send failure DNS re... (debabrata baner... 2.Sep.02) . . . . RE: Router: res_send failure DNS re... (Markus R Irby 2.Sep.02) Document options Print this page Search this forum Forum views and search Date (threaded) Date (flat) With excerpt Author Category Platform Release Advanced search RSS feeds All forum posts RSSAll main topics RSSMore Lotus RSS feeds Resources Forum use and etiquette Native Notes Access Web site Feedback Lotus Support Lotus Support Product support pages index Search knowledge base (Technotes) Search support downloads Lotus Support RSS Wikis IBM Composite Applications IBM Mashup Center IBM Connections IBM Docs IBM Forms IBM Mobile Connect IBM Sametime IBM SmartCloud for Social Business IBM Web Experience Factory Lotus Domino Lotus Domino Designer Lotus Expeditor Lotus Foundations Lotus iNotes Lotus Instructor Community Courseware Lotus Notes Lotus Notes & Domino Application Development Lotus Notes Traveler Lotus Protector

for Help Receive Real-Time Help Create a Freelance Project Hire for a Full Time Job Ways to Get Help Ask a Question Ask for Help Receive Real-Time Help Create a Freelance Project Hire for a Full Time Job Ways to Get Help Expand Search https://www.experts-exchange.com/questions/11082885/DNS-Failiure-please-help.html Submit Close Search Login Join Today Products BackProducts Gigs Live Careers Vendor Services Groups Website Testing Store Headlines Experts Exchange > Questions > DNS Failiure, please help Want to Advertise Here? Solved DNS Failiure, please help https://groups.google.com/d/topic/comp.groupware.lotus-notes.admin/Eta99Ei-vBw Posted on 2000-08-23 Lotus IBM 1 Verified Solution 5 Comments 819 Views Last Modified: 2013-12-18 Hello. We have an NT40 server with Domino R5 installed. When we start Domino, we get the following error at the console: dns resolver DNS Resolver failed to initialize.: DNS resolver error We have searched the help files and the web for a solution and of course checked the TCP/IP configuration at the server. Everything seem to be OK (ping and browsing from the server works fine). We have solved the problem in a way by setting our ISP mail server as a relay host and set the "Host name lookup" to only "Local" in the Configuration document. dns resolver error But what is causing this error, and how do we get rid of it? 0 Question by:riegsa Facebook Twitter LinkedIn Google LVL 4 Best Solution bystamp on WinNT goto Start->Settings->ControlPanel->Network->Protocol->TCP/IP->Properties->DNS Place into Domain field all parts after server name from internet host name. Into field DNS search order place Go to Solution 5 Comments LVL 6 Overall: Level 6 Lotus IBM 6 Message Expert Comment by:ghassan992000-08-23 This is a very extensive discussion: http://notes.net/46dom.nsf/55c38d716d632d9b8525689b005ba1c0/ecbcfeca1a25d23e852568b400442c49!OpenDocument -Gus 0 LVL 4 Overall: Level 4 Lotus IBM 4 Message Expert Comment by:stamp2000-08-31 today I got this message disapear (on S/390). But the main point is: the router task has to find servers internet name (anywhere) AND servers domain has to match mashine domain. That mean: you have to have a domain name in WinNT TCP/IP settings. Run this: C:\>ipconfig /all If you see "Host Name . .:" without domain, than this is your problem. Regards, stamp 0 LVL 4 Overall: Level 4 Lotus IBM 4 Message Accepted Solution by:stamp2000-09-22 on WinNT goto Start->Settings->ControlPanel->Network->Protocol->TCP/IP->Properties->DNS Place into Domain field all parts after server name from internet host name. Into field DNS search order place the IP address of your DNS server If you do not have a DNS server your server is registered correctly, then place nummeric and symbolic internet address into: \winnt\system

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