You may have been confused about what should be cached and what should not be cached.
This is an answer which is coming from the authoritative server and which is not a cached response: $ dig www.google.com @ns1.google.com ; <<>> DiG 9.6-ESV-R4 <<>> www.google.com @ns1.google.com ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 32616 ;; flags: qr aa rd; QUERY: 1, ANSWER: 7, AUTHORITY: 0, ADDITIONAL: 0 ;; WARNING: recursion requested but not available ;; QUESTION SECTION: ;www.google.com. IN A ;; ANSWER SECTION: www.google.com. 604800 IN CNAME www.l.google.com. www.l.google.com. 300 IN A 74.125.127.106 www.l.google.com. 300 IN A 74.125.127.103 www.l.google.com. 300 IN A 74.125.127.104 www.l.google.com. 300 IN A 74.125.127.99 www.l.google.com. 300 IN A 74.125.127.105 www.l.google.com. 300 IN A 74.125.127.147 ;; Query time: 54 msec ;; SERVER: 216.239.32.10#53(216.239.32.10) ;; WHEN: Mon Jul 25 21:28:29 2011 ;; MSG SIZE rcvd: 148 This is a cached answer from a public cache server: $ dig www.google.com @8.8.8.8 ; <<>> DiG 9.6-ESV-R4 <<>> www.google.com @8.8.8.8 ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 27179 ;; flags: qr rd ra; QUERY: 1, ANSWER: 7, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;www.google.com. IN A ;; ANSWER SECTION: www.google.com. 86399 IN CNAME www.l.google.com. www.l.google.com. 299 IN A 74.125.53.105 www.l.google.com. 299 IN A 74.125.53.106 www.l.google.com. 299 IN A 74.125.53.104 www.l.google.com. 299 IN A 74.125.53.147 www.l.google.com. 299 IN A 74.125.53.99 www.l.google.com. 299 IN A 74.125.53.103 ;; Query time: 51 msec ;; SERVER: 8.8.8.8#53(8.8.8.8) ;; WHEN: Mon Jul 25 21:28:42 2011 ;; MSG SIZE rcvd: 148 Have you seen the flags? the first has an "aa" flag set, while the second doesn't have. Instead it has a "ra" flag set. Sorry for my before post to write wrong with "rr" flag. Regards. _______________________________________________ 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
