shell:$ nslookup -timeout=2 -retry=1 '500px.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	500px.com
Address: 3.168.51.84
Name:	500px.com
Address: 3.168.51.62
Name:	500px.com
Address: 3.168.51.26
Name:	500px.com
Address: 3.168.51.40