shell:$ nslookup -timeout=2 -retry=1 'm.tmall.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
m.tmall.com	canonical name = tao.cn.zb.dualstack.aserver.alibabacorp.com.
tao.cn.zb.dualstack.aserver.alibabacorp.com	canonical name = tao.cn.zb.dualstack.aserver.alibabacorp.com.gds.alibabadns.com.
Name:	tao.cn.zb.dualstack.aserver.alibabacorp.com.gds.alibabadns.com
Address: 59.82.121.163
;; Truncated, retrying in TCP mode.
Name:	tao.cn.zb.dualstack.aserver.alibabacorp.com.gds.alibabadns.com
Address: 2408:4001:f00::3a1
Name:	tao.cn.zb.dualstack.aserver.alibabacorp.com.gds.alibabadns.com
Address: 2408:4001:f00::445
Name:	tao.cn.zb.dualstack.aserver.alibabacorp.com.gds.alibabadns.com
Address: 2408:4001:f10::2b0
Name:	tao.cn.zb.dualstack.aserver.alibabacorp.com.gds.alibabadns.com
Address: 2408:4001:f00::1a8
Name:	tao.cn.zb.dualstack.aserver.alibabacorp.com.gds.alibabadns.com
Address: 2408:4001:f00::447
Name:	tao.cn.zb.dualstack.aserver.alibabacorp.com.gds.alibabadns.com
Address: 2408:4001:f10::d3
Name:	tao.cn.zb.dualstack.aserver.alibabacorp.com.gds.alibabadns.com
Address: 2408:4001:f10::21
Name:	tao.cn.zb.dualstack.aserver.alibabacorp.com.gds.alibabadns.com
Address: 2408:4001:f10::5e
Name:	tao.cn.zb.dualstack.aserver.alibabacorp.com.gds.alibabadns.com
Address: 2408:4001:f10::203
Name:	tao.cn.zb.dualstack.aserver.alibabacorp.com.gds.alibabadns.com
Address: 2408:4001:f00::87
Name:	tao.cn.zb.dualstack.aserver.alibabacorp.com.gds.alibabadns.com
Address: 2408:4001:f10::173
Name:	tao.cn.zb.dualstack.aserver.alibabacorp.com.gds.alibabadns.com
Address: 2408:4001:f10::6f
Name:	tao.cn.zb.dualstack.aserver.alibabacorp.com.gds.alibabadns.com
Address: 2408:4001:f00::23b
Name:	tao.cn.zb.dualstack.aserver.alibabacorp.com.gds.alibabadns.com
Address: 2408:4001:f00::412
Name:	tao.cn.zb.dualstack.aserver.alibabacorp.com.gds.alibabadns.com
Address: 2408:4001:f10::1aa
Name:	tao.cn.zb.dualstack.aserver.alibabacorp.com.gds.alibabadns.com
Address: 2408:4001:f00::3c