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

Non-authoritative answer:
www.alipay.com	canonical name = homepage.alipaydns.com.
homepage.alipaydns.com	canonical name = www.alipay.com.queniubl.com.
Name:	www.alipay.com.queniubl.com
Address: 47.246.22.195
Name:	www.alipay.com.queniubl.com
Address: 47.246.22.200
Name:	www.alipay.com.queniubl.com
Address: 47.246.22.201
Name:	www.alipay.com.queniubl.com
Address: 47.246.22.196
Name:	www.alipay.com.queniubl.com
Address: 47.246.22.198
Name:	www.alipay.com.queniubl.com
Address: 47.246.22.199
Name:	www.alipay.com.queniubl.com
Address: 47.246.22.197
Name:	www.alipay.com.queniubl.com
Address: 47.246.22.194