On Fri, Sep 2, 2011 at 11:36 AM, Mark Andrews <ma...@isc.org> wrote: > Named doesn't return records tagged as additional in the additional > section. This stops the propogation of bogus records. Note there > is no requirement for additional records to be added ever. Glue > records are not additional records even though they are in the > additional section. >
Thank you Mark. But why this named does returned additional section? pyh@dwdns5:~$ dig txt chaos version.bind @119.147.163.133 ; <<>> DiG 9.6.1-P2 <<>> txt chaos version.bind @119.147.163.133 ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 40335 ;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 0 ;; WARNING: recursion requested but not available ;; QUESTION SECTION: ;version.bind. CH TXT ;; ANSWER SECTION: version.bind. 0 CH TXT "9.6.1-P2" ;; AUTHORITY SECTION: version.bind. 0 CH NS version.bind. ;; Query time: 0 msec ;; SERVER: 119.147.163.133#53(119.147.163.133) ;; WHEN: Fri Sep 2 11:44:03 2011 ;; MSG SIZE rcvd: 65 pyh@dwdns5:~$ dig www.google.com @119.147.163.133 ; <<>> DiG 9.6.1-P2 <<>> www.google.com @119.147.163.133 ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 2183 ;; flags: qr rd ra; QUERY: 1, ANSWER: 7, AUTHORITY: 4, ADDITIONAL: 1 ;; QUESTION SECTION: ;www.google.com. IN A ;; ANSWER SECTION: www.google.com. 515063 IN CNAME www.l.google.com. www.l.google.com. 300 IN A 74.125.71.105 www.l.google.com. 300 IN A 74.125.71.106 www.l.google.com. 300 IN A 74.125.71.147 www.l.google.com. 300 IN A 74.125.71.99 www.l.google.com. 300 IN A 74.125.71.103 www.l.google.com. 300 IN A 74.125.71.104 ;; AUTHORITY SECTION: google.com. 83063 IN NS ns3.google.com. google.com. 83063 IN NS ns4.google.com. google.com. 83063 IN NS ns1.google.com. google.com. 83063 IN NS ns2.google.com. ;; ADDITIONAL SECTION: ns1.google.com. 255954 IN A 216.239.32.10 ;; Query time: 60 msec ;; SERVER: 119.147.163.133#53(119.147.163.133) ;; WHEN: Fri Sep 2 11:44:13 2011 ;; MSG SIZE rcvd: 236 _______________________________________________ Please visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from this list bind-users mailing list bind-users@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users
