DNS/BIND/bug?について、ここに記述してください。
%dig a www.ghost2.qmail.jp ~
; <<>> DiG 9.8.1 <<>> a www.ghost2.qmail.jp ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 46963 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 0 ;; QUESTION SECTION: ;www.ghost2.qmail.jp. IN A ;; ANSWER SECTION: www.ghost2.qmail.jp. 21 IN A 59.106.175.222 ;; AUTHORITY SECTION: ghost2.qmail.jp. 1521 IN NS d.ns.ghost2.qmail.jp. ;; Query time: 0 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Mon Feb 27 21:21:38 2012 ;; MSG SIZE rcvd: 72
21:21m6%dig a www.ghost2.qmail.jp ~
; <<>> DiG 9.8.1 <<>> a www.ghost2.qmail.jp ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 1751 ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;www.ghost2.qmail.jp. IN A ;; Query time: 0 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Mon Feb 27 21:22:31 2012 ;; MSG SIZE rcvd: 37
%dig ns ghost2.qmail.jp; dig a www.ghost2.qmail.jp ~ ; <<>> DiG 9.8.1 <<>> ns ghost2.qmail.jp ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 41787 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;ghost2.qmail.jp. IN NS ;; ANSWER SECTION: ghost2.qmail.jp. 1 IN NS d.ns.ghost2.qmail.jp. ;; Query time: 0 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Mon Feb 27 21:46:58 2012 ;; MSG SIZE rcvd: 52 ; <<>> DiG 9.8.1 <<>> a www.ghost2.qmail.jp ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 27649 ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;www.ghost2.qmail.jp. IN A ;; Query time: 0 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Mon Feb 27 21:46:58 2012 ;; MSG SIZE rcvd: 37 21:46m6%dig ns ghost2.qmail.jp; dig a www.ghost2.qmail.jp ~ ; <<>> DiG 9.8.1 <<>> ns ghost2.qmail.jp ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 13422 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1 ;; QUESTION SECTION: ;ghost2.qmail.jp. IN NS ;; ANSWER SECTION: ghost2.qmail.jp. 1800 IN NS f.ns.ghost2.qmail.jp. ;; ADDITIONAL SECTION: f.ns.ghost2.qmail.jp. 80380 IN A 131.112.32.2 ;; Query time: 11 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Mon Feb 27 21:46:59 2012 ;; MSG SIZE rcvd: 68 ; <<>> DiG 9.8.1 <<>> a www.ghost2.qmail.jp ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 558 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 1 ;; QUESTION SECTION: ;www.ghost2.qmail.jp. IN A ;; ANSWER SECTION: www.ghost2.qmail.jp. 300 IN A 59.106.175.222 ;; AUTHORITY SECTION: ghost2.qmail.jp. 1800 IN NS f.ns.ghost2.qmail.jp. ;; ADDITIONAL SECTION: f.ns.ghost2.qmail.jp. 80380 IN A 131.112.32.2 ;; Query time: 3 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Mon Feb 27 21:46:59 2012 ;; MSG SIZE rcvd: 88