shell:$ nslookup -timeout=2 -retry=1 'www.ymobile.jp'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
www.ymobile.jp	canonical name = du0ohbhre3271.cloudfront.net.
Name:	du0ohbhre3271.cloudfront.net
Address: 108.156.172.92
Name:	du0ohbhre3271.cloudfront.net
Address: 108.156.172.88
Name:	du0ohbhre3271.cloudfront.net
Address: 108.156.172.8
Name:	du0ohbhre3271.cloudfront.net
Address: 108.156.172.117
Name:	du0ohbhre3271.cloudfront.net
Address: 2600:9000:288b:8400:d:8985:f740:93a1
Name:	du0ohbhre3271.cloudfront.net
Address: 2600:9000:288b:9600:d:8985:f740:93a1
Name:	du0ohbhre3271.cloudfront.net
Address: 2600:9000:288b:6200:d:8985:f740:93a1
Name:	du0ohbhre3271.cloudfront.net
Address: 2600:9000:288b:8a00:d:8985:f740:93a1
Name:	du0ohbhre3271.cloudfront.net
Address: 2600:9000:288b:5000:d:8985:f740:93a1
Name:	du0ohbhre3271.cloudfront.net
Address: 2600:9000:288b:be00:d:8985:f740:93a1
Name:	du0ohbhre3271.cloudfront.net
Address: 2600:9000:288b:8c00:d:8985:f740:93a1
Name:	du0ohbhre3271.cloudfront.net
Address: 2600:9000:288b:400:d:8985:f740:93a1