1. watchA/sharp.co.jp/ns1.sharp.co.jp
1.1. ゾーン
sharp.co.jp, jp.sharp, sharp ゾーンなどを抱えているような返事をする。
jp.sharp ゾーンは存在しない。-- ToshinoriMaeno 2020-10-27 13:01:06
$ dig -t any sharp.co.jp @dns-a.iij.ad.jp +bufsize=512 +qr
1.2. sharp gTLD
sharp ゾーンを抱えているのは間違い。
$ dig -t any sharp. @ns1.sharp.co.jp ; <<>> DiG 9.11.3-1ubuntu1.12-Ubuntu <<>> -t any sharp. @ns1.sharp.co.jp ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 62399 ;; flags: qr aa rd; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 3 ;; WARNING: recursion requested but not available ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ;; QUESTION SECTION: ;sharp. IN ANY ;; ANSWER SECTION: sharp. 600 IN SOA ns1.sharp.co.jp. postmaster.sharp.co.jp. 2020102701 3600 1800 1209600 3600 sharp. 600 IN NS ns1.sharp.co.jp. sharp. 600 IN NS tg1.sharp.co.jp. ;; ADDITIONAL SECTION: ns1.sharp.co.jp. 43200 IN A 61.214.248.154 tg1.sharp.co.jp. 60 IN A 61.214.248.155 ;; Query time: 27 msec ;; SERVER: 61.214.248.154#53(61.214.248.154) ;; WHEN: Tue Oct 27 19:36:31 JST 2020 ;; MSG SIZE rcvd: 160
1.3. jp.sharp
$ dig -t soa jp.sharp. @ns1.sharp.co.jp ; <<>> DiG 9.11.3-1ubuntu1.12-Ubuntu <<>> -t soa jp.sharp. @ns1.sharp.co.jp ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 12709 ;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1 ;; WARNING: recursion requested but not available ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ;; QUESTION SECTION: ;jp.sharp. IN SOA ;; ANSWER SECTION: jp.sharp. 300 IN CNAME ualsharp.hs.llnwd.net. ;; Query time: 25 msec ;; SERVER: 61.214.248.154#53(61.214.248.154) ;; WHEN: Tue Oct 27 19:38:04 JST 2020 ;; MSG SIZE rcvd: 72
1.4. IP history
・確認可能な「ns1\.sharp.co.jp.」と「tg1\.sharp.co.jp.」のIP変化は次のとおりである。 2020-06-22 02:01:31 UTC 202.32.86.21 ns1.sharp.co.jp 211.130.174.215 2020-10-21 10:55:29 UTC 61.214.248.155 202.32.86.21 211.130.174.215
https://www.ip-adress.com/ip-address/ipv4/202.32.86.21
whois.threet.co.jp › ... Host Information: a. [Host Name] tg1.sharp.co.jp b. [Internet Address] 211.130.174.215 n. [Technical Contact] YI17812JP n. [Technical Contact] MT4926JP n.
https://domainwat.ch/site/tg1.sharp.co.jp
ウェブサイト tg1.sharp.co.jp ドメイン sharp.co.jp ドメインの情報 IPアドレス 61.214.248.155 IPアドレスの情報 IPアドレスの変更履歴 2020/10/27 61.214.248.155 - サイトはこのIPを利用中 2019/10/23 - 211.130.174.215
1.5. 以前のAレコードの返答
$ dig -t a jp.sharp @211.130.174.215 ; <<>> DiG 9.16.1-Ubuntu <<>> -t a jp.sharp @211.130.174.215 ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 47652 ;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1 ;; WARNING: recursion requested but not available ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ;; QUESTION SECTION: ;jp.sharp. IN A ;; ANSWER SECTION: jp.sharp. 300 IN CNAME ualsharp.hs.llnwd.net. ;; Query time: 12 msec ;; SERVER: 211.130.174.215#53(211.130.174.215) ;; WHEN: 火 10月 27 22:34:06 JST 2020 ;; MSG SIZE rcvd: 72