1. watchA/sharp.co.jp/ns1.sharp.co.jp

../tg1.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。

$ 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

MoinQ: watchNS/sharp.co.jp/ns1.sharp.co.jp (last edited 2024-01-13 03:53:24 by ToshinoriMaeno)