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: 3.170.185.127
Name:	du0ohbhre3271.cloudfront.net
Address: 3.170.185.10
Name:	du0ohbhre3271.cloudfront.net
Address: 3.170.185.126
Name:	du0ohbhre3271.cloudfront.net
Address: 3.170.185.35
Name:	du0ohbhre3271.cloudfront.net
Address: 2600:9000:288b:3000:d:8985:f740:93a1
Name:	du0ohbhre3271.cloudfront.net
Address: 2600:9000:288b:cc00:d:8985:f740:93a1
Name:	du0ohbhre3271.cloudfront.net
Address: 2600:9000:288b:5400:d:8985:f740:93a1
Name:	du0ohbhre3271.cloudfront.net
Address: 2600:9000:288b:ec00:d:8985:f740:93a1
Name:	du0ohbhre3271.cloudfront.net
Address: 2600:9000:288b:2600:d:8985:f740:93a1
Name:	du0ohbhre3271.cloudfront.net
Address: 2600:9000:288b:bc00:d:8985:f740:93a1
Name:	du0ohbhre3271.cloudfront.net
Address: 2600:9000:288b:c200:d:8985:f740:93a1
Name:	du0ohbhre3271.cloudfront.net
Address: 2600:9000:288b:4000:d:8985:f740:93a1