shell:$ nslookup -timeout=2 -retry=1 'www.163.com'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
www.163.com	canonical name = www.163.com.163jiasu.com.
www.163.com.163jiasu.com	canonical name = www.163.com.w.kunluncan.com.
Name:	www.163.com.w.kunluncan.com
Address: 47.246.22.198
Name:	www.163.com.w.kunluncan.com
Address: 47.246.22.196
Name:	www.163.com.w.kunluncan.com
Address: 47.246.22.201
Name:	www.163.com.w.kunluncan.com
Address: 47.246.22.200
Name:	www.163.com.w.kunluncan.com
Address: 47.246.22.194
Name:	www.163.com.w.kunluncan.com
Address: 47.246.22.195
Name:	www.163.com.w.kunluncan.com
Address: 47.246.22.199
Name:	www.163.com.w.kunluncan.com
Address: 47.246.22.197