shell:$ nslookup -timeout=2 -retry=1 'omammsc.uplus.co.kr'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
Name:	omammsc.uplus.co.kr
Address: 192.168.230.14
Name:	omammsc.uplus.co.kr
Address: 2001:4430:8000:20:0:1:0:1