shell:$ nslookup -timeout=2 -retry=1 'line.naver.jp.dtac.happywork.net'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
Name:	line.naver.jp.dtac.happywork.net
Address: 76.223.54.146
Name:	line.naver.jp.dtac.happywork.net
Address: 13.248.169.48
;; communications error to 127.0.0.53#53: timed out
;; no servers could be reached