shell:$ nslookup -timeout=2 -retry=1 'acuvue.co.kr'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	acuvue.co.kr
Address: 54.180.66.54
Name:	acuvue.co.kr
Address: 43.200.114.163