shell:$ nslookup -timeout=2 -retry=1 '103.242.99.17.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
103.242.99.17.com	canonical name = all.17.com.w.kunluncan.com.
Name:	all.17.com.w.kunluncan.com
Address: 180.163.146.42
Name:	all.17.com.w.kunluncan.com
Address: 180.163.146.38
Name:	all.17.com.w.kunluncan.com
Address: 180.163.146.41
Name:	all.17.com.w.kunluncan.com
Address: 180.163.146.44
Name:	all.17.com.w.kunluncan.com
Address: 180.163.146.40
Name:	all.17.com.w.kunluncan.com
Address: 180.163.146.43
Name:	all.17.com.w.kunluncan.com
Address: 180.163.146.39
Name:	all.17.com.w.kunluncan.com
Address: 180.163.146.45