1. watchA

ドメインの更新で? 委譲NSがcloudflareから別業者に変更された。(2020-03-19)

2. whois

   Domain Name: 4XFW.COM
   Registry Domain ID: 1910213752_DOMAIN_COM-VRSN
   Registrar WHOIS Server: whois.godaddy.com
   Registrar URL: http://www.godaddy.com
   Updated Date: 2020-03-19T11:42:04Z
   Creation Date: 2015-03-14T21:56:14Z
   Registry Expiry Date: 2021-03-14T21:56:14Z
   Registrar: GoDaddy.com, LLC
   Registrar IANA ID: 146
   Registrar Abuse Contact Email: abuse@godaddy.com
   Registrar Abuse Contact Phone: 480-624-2505
   Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
   Domain Status: clientRenewProhibited https://icann.org/epp#clientRenewProhibited
   Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
   Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
   Name Server: NS03.DOMAINCONTROL.COM
   Name Server: NS04.DOMAINCONTROL.COM
   DNSSEC: unsigned
   URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2020-03-19T23:25:32Z <<<

3. history

0320 ゾーン(active)は残っている。 (登録更新で、別業者へ)

$ dig -t ns 4xfw.com @howard.ns.cloudflare.com

; <<>> DiG 9.11.3-1ubuntu1.11-Ubuntu <<>> -t ns 4xfw.com @howard.ns.cloudflare.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 53700
;; flags: qr aa rd; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1
;; WARNING: recursion requested but not available

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
;; QUESTION SECTION:
;4xfw.com.                      IN      NS

;; ANSWER SECTION:
4xfw.com.               86400   IN      NS      howard.ns.cloudflare.com.
4xfw.com.               86400   IN      NS      kristina.ns.cloudflare.com.

;; Query time: 17 msec
;; SERVER: 162.159.44.171#53(162.159.44.171)
;; WHEN: Fri Mar 20 08:26:54 JST 2020
;; MSG SIZE  rcvd: 95

0319

#NS 2 4xfw.com ['jerome.ns.cloudflare.com', 'michelle.ns.cloudflare.com']
#XS 4xfw.com jerome.ns.cloudflare.com
#XS 4xfw.com -- ['jerome.ns.cloudflare.com', 'michelle.ns.cloudflare.com']
#XS 4xfw.com ++ ['kristina.ns.cloudflare.com', 'howard.ns.cloudflare.com']
#XS 4xfw.com michelle.ns.cloudflare.com
#XS 4xfw.com -- ['jerome.ns.cloudflare.com', 'michelle.ns.cloudflare.com']
#XS 4xfw.com ++ ['kristina.ns.cloudflare.com', 'howard.ns.cloudflare.com']
#CF a 4xfw.com ['howard.ns.cloudflare.com', 'kristina.ns.cloudflare.com']

https://securitytrails.com/domain/4xfw.com/history/ns

ns04.domaincontrol.com
ns03.domaincontrol.com
        2020-03-20 (1 day ago)  2020-03-21 (today)      1 day
kristina.ns.cloudflare.com
howard.ns.cloudflare.com
        2020-01-11 (2 months ago)       2020-03-20 (1 day ago)  2 months
sean.ns.cloudflare.com
ivy.ns.cloudflare.com
        2019-07-27 (7 months ago)       2020-01-11 (2 months ago)       5 months
pat.ns.cloudflare.com
bayan.ns.cloudflare.com
        2019-04-23 (11 months ago)      2019-07-27 (7 months ago)       3 months
michelle.ns.cloudflare.com
jerome.ns.cloudflare.com
        2019-04-02 (11 months ago)      2019-04-23 (11 months ago)      21 days 


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