Hi, I am using bind9.7.3-P1 with solaris10x86. I notice that sometimes our bind server will reply servfail when querying a zone aws.amazon.com which is expiring, while this aws.amazon.com only 60sec cache lifetime, eg.
> /usr/local/bin/dig a aws.amazon.com ; <<>> DiG 9.7.3-P1 <<>> a aws.amazon.com ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 26307 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 6, ADDITIONAL: 1 ;; QUESTION SECTION: ;aws.amazon.com. IN A ;; ANSWER SECTION: aws.amazon.com. 1 IN A 72.21.210.163 ;; AUTHORITY SECTION: aws.amazon.com. 6517 IN NS ns-932.amazon.com. aws.amazon.com. 6517 IN NS ns-931.amazon.com. aws.amazon.com. 6517 IN NS ns-912.amazon.com. aws.amazon.com. 6517 IN NS ns-923.amazon.com. aws.amazon.com. 6517 IN NS ns-911.amazon.com. aws.amazon.com. 6517 IN NS ns-921.amazon.com. ;; ADDITIONAL SECTION: ns-911.amazon.com. 3108 IN A 207.171.178.13 ;; Query time: 0 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Wed Jun 22 18:59:30 2011 ;; MSG SIZE rcvd: 190 > /usr/local/bin/dig a aws.amazon.com ; <<>> DiG 9.7.3-P1 <<>> a aws.amazon.com ;; global options: +cmd ;; Got answer: *;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 20884 ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0* ;; QUESTION SECTION: ;aws.amazon.com. IN A ;; Query time: 0 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Wed Jun 22 18:59:31 2011 ;; MSG SIZE rcvd: 32 > /usr/local/bin/dig a aws.amazon.com ^[[A ; <<>> DiG 9.7.3-P1 <<>> a aws.amazon.com ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 47970 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 6, ADDITIONAL: 1 ;; QUESTION SECTION: ;aws.amazon.com. IN A ;; ANSWER SECTION: aws.amazon.com. 60 IN A 72.21.210.163 ;; AUTHORITY SECTION: aws.amazon.com. 6516 IN NS ns-932.amazon.com. aws.amazon.com. 6516 IN NS ns-911.amazon.com. aws.amazon.com. 6516 IN NS ns-912.amazon.com. aws.amazon.com. 6516 IN NS ns-931.amazon.com. aws.amazon.com. 6516 IN NS ns-921.amazon.com. aws.amazon.com. 6516 IN NS ns-923.amazon.com. ;; ADDITIONAL SECTION: ns-911.amazon.com. 3107 IN A 207.171.178.13 ;; Query time: 229 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Wed Jun 22 18:59:31 2011 ;; MSG SIZE rcvd: 190 Is it normal? What would be the problem? Eric
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