netblock.oneoffice.jp has no NS records.
NS records for this zone are defined at oneoffice.jp.
NS records for this zone are defined at oneoffice.jp.
Question and response
Question
dig netblock.oneoffice.jp. NS
Answer
The response has no answer records.
Authority
oneoffice.jp. 900 SOA dns1.broadline.ne.jp. dns-info.broadline.ne.jp. 668 10800 900 604800 900
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0