## page was renamed from To_tss/2017-03-31 To_tss/2017-03-31について、ここに記述してください。 dns[12].onamae.com はワイルドカードレコードを持つサーバのようなのですが、 '*' つきで問い合わせると返事がない、という面白い動作をします。 %dnsq a qmail.008.jp dns1.onamae.com {{{ 1 qmail.008.jp: 94 bytes, 1+1+2+0 records, response, authoritative, noerror query: 1 qmail.008.jp answer: qmail.008.jp 300 A 150.95.255.38 authority: qmail.008.jp 300 NS dns1.onamae.com authority: qmail.008.jp 300 NS dns2.onamae.com }}} %dnsq a qmail.notexsist.008.jp dns1.onamae.com {{{ 1 qmail.notexsist.008.jp: 104 bytes, 1+1+2+0 records, response, authoritative, noerror query: 1 qmail.notexsist.008.jp answer: qmail.notexsist.008.jp 300 A 150.95.255.38 authority: qmail.notexsist.008.jp 300 NS dns1.onamae.com authority: qmail.notexsist.008.jp 300 NS dns2.onamae.com }}} {{{ %dig -t a \*.notexsist.008.jp @dns1.onamae.com ^P^C% 10:47f %dig -t a qmail.\*.notexsist.008.jp @dns1.onamae.com ^C% }}}} %dig -t a qmail.notexsist.008.jp @dns1.onamae.com {{{ ; <<>> DiG 9.10.4-P6 <<>> -t a qmail.notexsist.008.jp @dns1.onamae.com ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 14633 ;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 1 ;; WARNING: recursion requested but not available ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 2800 ;; QUESTION SECTION: ;qmail.notexsist.008.jp. IN A ;; ANSWER SECTION: qmail.notexsist.008.jp. 300 IN A 150.95.255.38 ;; AUTHORITY SECTION: qmail.notexsist.008.jp. 300 IN NS dns1.onamae.com. qmail.notexsist.008.jp. 300 IN NS dns2.onamae.com. ;; Query time: 6 msec ;; SERVER: 163.44.76.136#53(163.44.76.136) ;; WHEN: Fri Mar 31 10:47:39 JST 2017 ;; MSG SIZE rcvd: 115 }}}