shell:$ nslookup -timeout=2 -retry=1 'www.sktinsight.com'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
Name:	www.sktinsight.com
Address: 3.36.172.188
Name:	www.sktinsight.com
Address: 13.209.255.247