shell:$ nslookup -timeout=2 -retry=1 'www.waseda.jp'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
www.waseda.jp	canonical name = www.waseda.jp.cdn.cloudflare.net.
Name:	www.waseda.jp.cdn.cloudflare.net
Address: 104.16.221.156
Name:	www.waseda.jp.cdn.cloudflare.net
Address: 104.16.222.156
Name:	www.waseda.jp.cdn.cloudflare.net
Address: 104.16.225.156
Name:	www.waseda.jp.cdn.cloudflare.net
Address: 104.16.224.156
Name:	www.waseda.jp.cdn.cloudflare.net
Address: 104.16.223.156
Name:	www.waseda.jp.cdn.cloudflare.net
Address: 2606:4700::6810:e19c
Name:	www.waseda.jp.cdn.cloudflare.net
Address: 2606:4700::6810:df9c
Name:	www.waseda.jp.cdn.cloudflare.net
Address: 2606:4700::6810:dd9c
Name:	www.waseda.jp.cdn.cloudflare.net
Address: 2606:4700::6810:e09c
Name:	www.waseda.jp.cdn.cloudflare.net
Address: 2606:4700::6810:de9c