shell:$ nslookup -timeout=2 -retry=1 'df.game.naver.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
df.game.naver.com	canonical name = df.game.naver.com.cdn.cloudflare.net.
Name:	df.game.naver.com.cdn.cloudflare.net
Address: 104.18.42.238
Name:	df.game.naver.com.cdn.cloudflare.net
Address: 172.64.145.18