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

Non-authoritative answer:
Name:	whois.networksolutions.com
Address: 64.69.216.61
Name:	whois.networksolutions.com
Address: 2607:f408:1010:a:64:69:216:61