1. 357ku.com

??? NS, SOA は存在するが、A, MX, AAAA などにはNXDOMAIN が返る。

2. whois

   Domain Name: 357KU.COM
   Registry Domain ID: 2346233619_DOMAIN_COM-VRSN
   Registrar WHOIS Server: whois.namesilo.com
   Registrar URL: http://www.namesilo.com
   Updated Date: 2021-08-31T15:07:06Z
   Creation Date: 2018-12-24T12:59:13Z
   Registry Expiry Date: 2022-12-24T12:59:13Z
   Registrar: NameSilo, LLC
   Registrar IANA ID: 1479
   Registrar Abuse Contact Email: abuse@namesilo.com
   Registrar Abuse Contact Phone: +1.4805240066
   Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
   Name Server: EVA.NS.CLOUDFLARE.COM
   Name Server: IGOR.NS.CLOUDFLARE.COM
   DNSSEC: unsigned
   URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2021-09-24T13:12:53Z <<<

3. history

$ dig -t a 357ku.com @eva.ns.cloudflare.com

; <<>> DiG 9.11.3-1ubuntu1.14-Ubuntu <<>> -t a 357ku.com @eva.ns.cloudflare.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 37144
;; 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: 1232
; NSID: 33 38 32 6d 31 33 37 ("382m137")
;; QUESTION SECTION:
;357ku.com.                     IN      A

;; AUTHORITY SECTION:
357ku.com.              3600    IN      SOA     eva.ns.cloudflare.com. dns.cloudflare.com. 2037902363 10000 2400 604800 3600

;; Query time: 20 msec
;; SERVER: 108.162.192.114#53(108.162.192.114)
;; WHEN: Fri Sep 24 22:14:07 JST 2021
;; MSG SIZE  rcvd: 107

$ dig -t a www.357ku.com @1.1.1.1

; <<>> DiG 9.11.3-1ubuntu1.14-Ubuntu <<>> -t a www.357ku.com @1.1.1.1
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 27088
;; flags: qr rd ra; QUERY: 1, ANSWER: 4, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
; NSID: 33 38 32 6d 34 36 ("382m46")
;; QUESTION SECTION:
;www.357ku.com.                 IN      A

;; ANSWER SECTION:
www.357ku.com.          300     IN      CNAME   url.315nn.com.
url.315nn.com.          300     IN      A       185.183.84.115
url.315nn.com.          300     IN      A       185.238.251.124
url.315nn.com.          300     IN      A       103.79.78.193

;; Query time: 433 msec
;; SERVER: 1.1.1.1#53(1.1.1.1)
;; WHEN: Sat Oct 30 09:05:53 JST 2021
;; MSG SIZE  rcvd: 124


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MoinQ: watchA/NXD/cf/357ku.com (last edited 2021-10-31 12:28:48 by ToshinoriMaeno)