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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>I’m having problems querying one particular domain with BIND 9.10.0-P2 if prefetch is enabled. I have been able to duplicate the problem from multiple servers running 9.10.0-P2 with different operating systems but I have not been able to duplicate the problem with any other domains (yet, I’m still trying), <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The domain that shows the problem is <a href="http://www.securityplusfcuhb.org">www.securityplusfcuhb.org</a>. It is a CNAME that points to a CNAME that points to an A record:<o:p></o:p></p><p class=MsoNormal>;; QUESTION SECTION:<o:p></o:p></p><p class=MsoNormal>;www.securityplusfcuhb.org. IN A<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>;; ANSWER SECTION:<o:p></o:p></p><p class=MsoNormal>www.securityplusfcuhb.org. 86399 IN CNAME securityplusfcuhb.flb.intuit.com.<o:p></o:p></p><p class=MsoNormal>securityplusfcuhb.flb.intuit.com. 30 IN CNAME 03845.olb.prd1.flb.digitalinsight.com.<o:p></o:p></p><p class=MsoNormal>03845.olb.prd1.flb.digitalinsight.com. 30 IN A 199.102.151.76<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>As long as no queries are performed at a time that would trigger a prefetch, everything is fine. If a query is performed at a time that does trigger a prefetch, all subsequent queries return NXDOMAIN.<o:p></o:p></p><p class=MsoNormal>dig @localhost a www.securityplusfcuhb.org<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>; <<>> DiG 9.10.0-P2 <<>> @localhost a www.securityplusfcuhb.org<o:p></o:p></p><p class=MsoNormal>; (2 servers found)<o:p></o:p></p><p class=MsoNormal>;; global options: +cmd<o:p></o:p></p><p class=MsoNormal>;; Got answer:<o:p></o:p></p><p class=MsoNormal>;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 49996<o:p></o:p></p><p class=MsoNormal>;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 1<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>;; OPT PSEUDOSECTION:<o:p></o:p></p><p class=MsoNormal>; EDNS: version: 0, flags:; udp: 4096<o:p></o:p></p><p class=MsoNormal>;; QUESTION SECTION:<o:p></o:p></p><p class=MsoNormal>;www.securityplusfcuhb.org. IN A<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>;; ANSWER SECTION:<o:p></o:p></p><p class=MsoNormal>www.securityplusfcuhb.org. 86187 IN CNAME securityplusfcuhb.flb.intuit.com.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>;; AUTHORITY SECTION:<o:p></o:p></p><p class=MsoNormal>flb.intuit.com. 597 IN SOA flbflb-gtm-qydc.intuit.com. hostmaster.flb.intuit.com. 2014022110 10800 3600 604800 86400<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Flushing the cache fixes the problem. Disabling prefetch prevents the problem from happening. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><b><span style='color:#1F497D'>Tedd </span></b><o:p></o:p></p></div></body></html>