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: 108.156.172.24
Name:	d3ulhu45f99mlj.cloudfront.net
Address: 108.156.172.53
Name:	d3ulhu45f99mlj.cloudfront.net
Address: 108.156.172.62
Name:	d3ulhu45f99mlj.cloudfront.net
Address: 108.156.172.63
Name:	d3ulhu45f99mlj.cloudfront.net
Address: 2600:9000:24f7:6400:6:40db:e9c0:93a1
Name:	d3ulhu45f99mlj.cloudfront.net
Address: 2600:9000:24f7:ec00:6:40db:e9c0:93a1
Name:	d3ulhu45f99mlj.cloudfront.net
Address: 2600:9000:24f7:5400:6:40db:e9c0:93a1
Name:	d3ulhu45f99mlj.cloudfront.net
Address: 2600:9000:24f7:8e00:6:40db:e9c0:93a1
Name:	d3ulhu45f99mlj.cloudfront.net
Address: 2600:9000:24f7:ce00:6:40db:e9c0:93a1
Name:	d3ulhu45f99mlj.cloudfront.net
Address: 2600:9000:24f7:8200:6:40db:e9c0:93a1
Name:	d3ulhu45f99mlj.cloudfront.net
Address: 2600:9000:24f7:e00:6:40db:e9c0:93a1
Name:	d3ulhu45f99mlj.cloudfront.net
Address: 2600:9000:24f7:8400:6:40db:e9c0:93a1