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
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