oms.broadcenter.jp has no NS records.
NS records for this zone are defined at broadcenter.jp.
NS records for this zone are defined at broadcenter.jp.
Question and response
Question
dig oms.broadcenter.jp. NS
Answer
The response has no answer records.
Authority
broadcenter.jp. 900 SOA dns1.broadline.ne.jp. dns-info.broadline.ne.jp. 80 10800 900 604800 900
Additional
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0