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

Non-authoritative answer:
cdn.iamport.kr	canonical name = d3ulhu45f99mlj.cloudfront.net.
Name:	d3ulhu45f99mlj.cloudfront.net
Address: 3.162.163.26
Name:	d3ulhu45f99mlj.cloudfront.net
Address: 3.162.163.37
Name:	d3ulhu45f99mlj.cloudfront.net
Address: 3.162.163.104
Name:	d3ulhu45f99mlj.cloudfront.net
Address: 3.162.163.12
Name:	d3ulhu45f99mlj.cloudfront.net
Address: 2600:9000:2616:6600:6:40db:e9c0:93a1
Name:	d3ulhu45f99mlj.cloudfront.net
Address: 2600:9000:2616:a800:6:40db:e9c0:93a1
Name:	d3ulhu45f99mlj.cloudfront.net
Address: 2600:9000:2616:fe00:6:40db:e9c0:93a1
Name:	d3ulhu45f99mlj.cloudfront.net
Address: 2600:9000:2616:600:6:40db:e9c0:93a1
Name:	d3ulhu45f99mlj.cloudfront.net
Address: 2600:9000:2616:aa00:6:40db:e9c0:93a1
Name:	d3ulhu45f99mlj.cloudfront.net
Address: 2600:9000:2616:dc00:6:40db:e9c0:93a1
Name:	d3ulhu45f99mlj.cloudfront.net
Address: 2600:9000:2616:bc00:6:40db:e9c0:93a1
Name:	d3ulhu45f99mlj.cloudfront.net
Address: 2600:9000:2616:a200:6:40db:e9c0:93a1