https://securitytrails.com/dns-trails

jp.sharp.               86400   IN      NS      ns1.sharp.co.jp.
jp.sharp.               86400   IN      NS      tg1.sharp.co.jp.

https://jp.sharp

/cocoromembers

1. jp.sharp ドメイン

sharp TLDから委譲されてはいるが、SOA, NS ともに存在しない。 jp.sharpゾーンが存在しない。 -- ToshinoriMaeno 2022-10-25 14:20:15

watch/zone/jp.sharp/brainplus

https://dnschecker.org/#NS/jp.shar 多くのリゾルバーはエラーになる。

https://dnschecker.org/#SOA/jp.sharp 多くのリゾルバーはエラーになる。

2. whois

$ whois jp.sharp
Domain Name: JP.SHARP
Registry Domain ID: DO3709015-GMO
Registrar WHOIS Server: whois.brightsconsulting.net
Registrar URL: http://brightsconsulting.com
Updated Date: 2022-05-22T00:13:03.0Z
Creation Date: 2018-05-21T05:08:47.0Z
Registry Expiry Date: 2023-05-21T23:59:59.0Z

Registrar: GMO Brights Consulting Inc.
Name Server: NS1.SHARP.CO.JP
Name Server: TG1.SHARP.CO.JP
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2022-10-25T14:17:42.0Z <<<

3. history

1.1.1.1, 8.8.8.8, 9.9.9.9 ともに以下の返答を返す。(unboundも)

これらから、jp.sharpゾーンが存在しないことが結論づけられる。

$ dig -t ns jp.sharp @8.8.8.8

; <<>> DiG 9.18.1-1ubuntu1.2-Ubuntu <<>> -t ns jp.sharp @8.8.8.8
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 38432
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
; NSID: 67 70 64 6e 73 2d 6e 72 74 ("gpdns-nrt")
;; QUESTION SECTION:
;jp.sharp.                      IN      NS

;; ANSWER SECTION:
jp.sharp.               109     IN      CNAME   ualsharp.hs.llnwd.net.

;; AUTHORITY SECTION:
llnwd.net.              1800    IN      SOA     dns11.llnwd.net. hostmaster.llnwd.net. 210 900 300 604800 300

;; Query time: 8 msec
;; SERVER: 8.8.8.8#53(8.8.8.8) (UDP)
;; WHEN: Tue Oct 25 23:20:42 JST 2022
;; MSG SIZE  rcvd: 138

4. dnscache

FreeBSD, ubuntu

%dig -t ns jp.sharp                                                     ~

; <<>> DiG 9.12.1 <<>> -t ns jp.sharp
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 47505
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;jp.sharp.                      IN      NS

;; ANSWER SECTION:
jp.sharp.               86396   IN      NS      tg1.sharp.co.jp.
jp.sharp.               86396   IN      NS      ns1.sharp.co.jp.

;; Query time: 0 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue Oct 25 23:34:44 JST 2022
;; MSG SIZE  rcvd: 73

5. A

$ dig -t a jp.sharp @9.9.9.9

; <<>> DiG 9.18.1-1ubuntu1.2-Ubuntu <<>> -t a jp.sharp @9.9.9.9
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 21903
;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
; NSID: 72 65 73 31 31 30 2e 71 68 6e 64 31 2e 72 72 64 6e 73 2e 70 63 68 2e 6e 65 74 ("res110.qhnd1.rrdns.pch.net")
;; QUESTION SECTION:
;jp.sharp.                      IN      A

;; ANSWER SECTION:
jp.sharp.               300     IN      CNAME   ualsharp.hs.llnwd.net.
ualsharp.hs.llnwd.net.  300     IN      A       117.121.250.56
ualsharp.hs.llnwd.net.  300     IN      A       117.121.250.156

;; Query time: 112 msec
;; SERVER: 9.9.9.9#53(9.9.9.9) (UDP)
;; WHEN: Sun Oct 30 12:41:04 JST 2022
;; MSG SIZE  rcvd: 134

$ dig -t a jp.sharp @1.1.1.1

; <<>> DiG 9.18.1-1ubuntu1.2-Ubuntu <<>> -t a jp.sharp @1.1.1.1
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 17944
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
; NSID: 34 34 38 6d 32 33 31 ("448m231")
;; QUESTION SECTION:
;jp.sharp.                      IN      A

;; ANSWER SECTION:
jp.sharp.               132     IN      CNAME   ualsharp.hs.llnwd.net.
ualsharp.hs.llnwd.net.  132     IN      A       111.119.27.166

;; Query time: 4 msec
;; SERVER: 1.1.1.1#53(1.1.1.1) (UDP)
;; WHEN: Sun Oct 30 12:42:07 JST 2022
;; MSG SIZE  rcvd: 99


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MoinQ: jp.sharp (last edited 2023-08-27 21:45:02 by ToshinoriMaeno)