antispam02.dacom.net has no NS records.
NS records for this zone are defined at dacom.net.
NS records for this zone are defined at dacom.net.
Question and response
Question
dig antispam02.dacom.net. NS
Answer
The response has no answer records.
Authority
dacom.net. 600 SOA nis.dacom.co.kr. dnsmaster.bora.net. 2025111802 21600 900 604800 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0