Dear PDNS community, Just to follow up. I went ahead and opened ticket #598 against pdns-recursor-3.3.1 for this matter.
Regards, Ken On Thu, Oct 11, 2012 at 08:22:47AM -0500, k...@rice.edu wrote: > Hi PDNS community, > > Running pdns-recursor 3.3.1 behind pdns-2.9.22 I am having > a problem resolving the following host: > > wwwa.nko.navy.mil > > Here is a dig against one of the servers: > > $ dig wwwa.nko.navy.mil @ns1.rice.edu > > ; <<>> DiG 9.7.3-P3-RedHat-9.7.3-8.P3.el6_2.3 <<>> wwwa.nko.navy.mil > @ns1.rice.edu > ;; global options: +cmd > ;; Got answer: > ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 64096 > ;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0 > > ;; QUESTION SECTION: > ;wwwa.nko.navy.mil. IN A > > ;; ANSWER SECTION: > wwwa.nko.navy.mil. 180 IN CNAME > wwwa.nko.navy.mil.apps.gcds.disa.mil. > wwwa.nko.navy.mil.apps.gcds.disa.mil. 300 IN CNAME origin-wwwa.nko.navy.mil. > > ;; Query time: 164 msec > ;; SERVER: 128.42.209.32#53(128.42.209.32) > ;; WHEN: Thu Oct 11 08:17:53 2012 > ;; MSG SIZE rcvd: 108 > > Note, that the CNAME origin-wwwa.nko.navy.mil is not looked up to > give the hosts actual IP address: > > $ dig origin-wwwa.nko.navy.mil @ns1.rice.edu > > ; <<>> DiG 9.7.3-P3-RedHat-9.7.3-8.P3.el6_2.3 <<>> origin-wwwa.nko.navy.mil > @ns1.rice.edu > ;; global options: +cmd > ;; Got answer: > ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 21780 > ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0 > > ;; QUESTION SECTION: > ;origin-wwwa.nko.navy.mil. IN A > > ;; ANSWER SECTION: > origin-wwwa.nko.navy.mil. 180 IN A 160.125.250.20 > > ;; Query time: 60 msec > ;; SERVER: 128.42.209.32#53(128.42.209.32) > ;; WHEN: Thu Oct 11 08:20:10 2012 > ;; MSG SIZE rcvd: 58 > > But sometimes, after some sequence of lookups in the chain I get > the following: > > $ dig wwwa.nko.navy.mil @ns1.rice.edu > > ; <<>> DiG 9.7.3-P3-RedHat-9.7.3-8.P3.el6_2.3 <<>> wwwa.nko.navy.mil > @ns1.rice.edu > ;; global options: +cmd > ;; Got answer: > ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 56590 > ;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 0 > > ;; QUESTION SECTION: > ;wwwa.nko.navy.mil. IN A > > ;; ANSWER SECTION: > wwwa.nko.navy.mil. 180 IN CNAME > wwwa.nko.navy.mil.apps.gcds.disa.mil. > wwwa.nko.navy.mil.apps.gcds.disa.mil. 120 IN CNAME origin-wwwa.nko.navy.mil. > origin-wwwa.nko.navy.mil. 137 IN A 160.125.250.20 > > ;; Query time: 58 msec > ;; SERVER: 128.42.209.32#53(128.42.209.32) > ;; WHEN: Thu Oct 11 08:20:53 2012 > ;; MSG SIZE rcvd: 124 > > which does include the final A record information. Does anyone have an idea > about how to fix this or provide a work-around. Any ideas would be > appreciated. > > Regards, > Ken _______________________________________________ Pdns-users mailing list Pdns-users@mailman.powerdns.com http://mailman.powerdns.com/mailman/listinfo/pdns-users
