1. watchNS/pref.nara.jp

について、ここに記述してください。

https://www.pref.nara.jp

• 2921 pref.nara.jp. Jun 16 12:33:37 - Jun 16 15:39:52

http://www.e-ontap.com/dns/openresolver/data/todaydownjp.txt

1.1. whois

pref.nara.jp.           86400   IN      NS      ns6.utility.k-opti.com.
pref.nara.jp.           86400   IN      NS      ns5.utility.k-opti.com.

ns5.utility.k-opti.com. 184     IN      A       59.190.153.134

ns6.utility.k-opti.com. 273     IN      A       59.190.151.246

$ dig -t ns pref.nara.jp @ns5.utility.k-opti.com.
;; communications error to 59.190.153.134#53: timed out
;; communications error to 59.190.153.134#53: timed out
;; communications error to 59.190.153.134#53: timed out

; <<>> DiG 9.18.12-0ubuntu0.22.04.1-Ubuntu <<>> -t ns pref.nara.jp @ns5.utility.k-opti.com.
;; global options: +cmd
;; no servers could be reached

1.2. history

ns5.utility.optage.co.jp
ns6.utility.optage.co.jp
        OPTAGE Inc.
        2023-01-31 (3 months)   2023-04-25 (5 days)     3 months
ns5.utility.k-opti.com
ns6.utility.k-opti.com
        OPTAGE Inc.
        2018-02-23 (5 years)    2023-01-31 (3 months)   5 years

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