1. watchA
2. whois
[Domain Name] CMAN.JP [Registrant] Cman Inc [Name Server] ns3.cman.jp [Name Server] ns1.cman.jp [Signing Key] [Created on] 2001/03/26 [Expires on] 2019/03/31 [Status] Active [Last Updated] 2018/04/01 01:05:11 (JST) $ dnsq ns cman.jp a.dns.jp 2 cman.jp: 93 bytes, 1+0+2+2 records, response, noerror query: 2 cman.jp authority: cman.jp 86400 NS ns1.cman.jp authority: cman.jp 86400 NS ns3.cman.jp additional: ns1.cman.jp 86400 A 157.65.26.10 additional: ns3.cman.jp 86400 A 157.65.27.9
$ dig -t ns ns1.cman.jp @ns1.cman.jp ; <<>> DiG 9.12.1 <<>> -t ns ns1.cman.jp @ns1.cman.jp ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 14794 ;; flags: qr aa rd; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1 ;; WARNING: recursion requested but not available ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ;; QUESTION SECTION: ;ns1.cman.jp. IN NS ;; AUTHORITY SECTION: cman.jp. 3600 IN SOA cman.jp. root.cman.jp. 2018100901 3600 1800 604800 3600 ;; Query time: 5 msec ;; SERVER: 157.65.26.10#53(157.65.26.10) ;; WHEN: Thu Oct 11 09:19:49 JST 2018 ;; MSG SIZE rcvd: 81
dig @(当社Dnsサーバ) moin.qmail.jp 結果 ; <<>> DiG 9.9.4-RedHat-9.9.4-61.el7_5.1 <<>> @(当社Dnsサーバ) moin.qmail.jp ; (1 server found) ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 13513 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 2 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ;; QUESTION SECTION: ;moin.qmail.jp. IN A ;; ANSWER SECTION: moin.qmail.jp. 47666 IN A 14.192.44.5 ;; AUTHORITY SECTION: qmail.jp. 47666 IN NS a.ns.qmail.jp. ;; ADDITIONAL SECTION: a.ns.qmail.jp. 47666 IN A 14.192.44.5 ;; Query time: 2 msec ;; SERVER: 157.65.26.10#53(157.65.26.10) ;; WHEN: Thu Oct 11 09:16:59 JST 2018 ;; MSG SIZE rcvd: 93
3. やりなおし
$ dig -t mx cman.jp @ns1.cman.jp ; <<>> DiG 9.12.1 <<>> -t mx cman.jp @ns1.cman.jp ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 8572 ;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 4 ;; WARNING: recursion requested but not available ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ;; QUESTION SECTION: ;cman.jp. IN MX ;; ANSWER SECTION: cman.jp. 3600 IN MX 10 mail.cman.jp. ;; AUTHORITY SECTION: cman.jp. 3600 IN NS ns3.cman.jp. cman.jp. 3600 IN NS ns1.cman.jp. ;; ADDITIONAL SECTION: mail.cman.jp. 3600 IN A 221.242.76.86 ns1.cman.jp. 3600 IN A 157.65.26.10 ns3.cman.jp. 3600 IN A 157.65.27.9 ;; Query time: 6 msec ;; SERVER: 157.65.26.10#53(157.65.26.10) ;; WHEN: Thu Oct 11 09:42:45 JST 2018 ;; MSG SIZE rcvd: 141