sms.blueweb.co.kr has no NS records.
NS records for this zone are defined at blueweb.co.kr.
NS records for this zone are defined at blueweb.co.kr.
Question and response
Question
dig sms.blueweb.co.kr. NS
Answer
The response has no answer records.
Authority
blueweb.co.kr. 600 SOA ns1.blueweb.co.kr. system.blueweb.co.kr. 2026020402 10800 3600 432000 600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0