shell:$ nslookup -timeout=2 -retry=1 'mail.alibaba.com'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
Name:	mail.alibaba.com
Address: 203.119.238.64
Name:	mail.alibaba.com
Address: 203.119.238.116
Name:	mail.alibaba.com
Address: 203.119.204.250
Name:	mail.alibaba.com
Address: 203.119.238.5