shell:$ nslookup -timeout=2 -retry=1 'vpnportal.linecorp.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
vpnportal.linecorp.com	canonical name = d2ujan5r08dtcw.cloudfront.net.
Name:	d2ujan5r08dtcw.cloudfront.net
Address: 18.64.183.114
Name:	d2ujan5r08dtcw.cloudfront.net
Address: 18.64.183.14
Name:	d2ujan5r08dtcw.cloudfront.net
Address: 18.64.183.96
Name:	d2ujan5r08dtcw.cloudfront.net
Address: 18.64.183.10
Name:	d2ujan5r08dtcw.cloudfront.net
Address: 2600:9000:24d1:3600:b:90f3:7800:93a1
Name:	d2ujan5r08dtcw.cloudfront.net
Address: 2600:9000:24d1:ec00:b:90f3:7800:93a1
Name:	d2ujan5r08dtcw.cloudfront.net
Address: 2600:9000:24d1:800:b:90f3:7800:93a1
Name:	d2ujan5r08dtcw.cloudfront.net
Address: 2600:9000:24d1:ee00:b:90f3:7800:93a1
Name:	d2ujan5r08dtcw.cloudfront.net
Address: 2600:9000:24d1:a400:b:90f3:7800:93a1
Name:	d2ujan5r08dtcw.cloudfront.net
Address: 2600:9000:24d1:fa00:b:90f3:7800:93a1
Name:	d2ujan5r08dtcw.cloudfront.net
Address: 2600:9000:24d1:5200:b:90f3:7800:93a1
Name:	d2ujan5r08dtcw.cloudfront.net
Address: 2600:9000:24d1:ce00:b:90f3:7800:93a1