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

Non-authoritative answer:
Name:	authenticate.com
Address: 52.85.12.6
Name:	authenticate.com
Address: 52.85.12.121
Name:	authenticate.com
Address: 52.85.12.120
Name:	authenticate.com
Address: 52.85.12.88