shell:$ nslookup -timeout=2 -retry=1 'www.51siteing.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	www.51siteing.com
Address: 104.21.84.251
Name:	www.51siteing.com
Address: 172.67.199.231
Name:	www.51siteing.com
Address: 2606:4700:3032::ac43:c7e7
Name:	www.51siteing.com
Address: 2606:4700:3035::6815:54fb