shell:$ nslookup -timeout=2 -retry=1 'cac-dl.os.line.naver.jp.line-zero.akadns.net'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
cac-dl.os.line.naver.jp.line-zero.akadns.net	canonical name = a1168.w73.akamai.net.
Name:	a1168.w73.akamai.net
Address: 23.62.106.207
Name:	a1168.w73.akamai.net
Address: 23.62.106.205