smtp2000.sendmsg.jp has no NS records.
NS records for this zone are defined at sendmsg.jp.
NS records for this zone are defined at sendmsg.jp.
Question and response
Question
dig smtp2000.sendmsg.jp. NS
Answer
The response has no answer records.
Authority
sendmsg.jp. 3600 SOA ns01.idcfcloud.com. info.spf.sendmsg.jp. 449 10800 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0