shell:$ nslookup -timeout=2 -retry=1 'r1-usc1.zemanta.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	r1-usc1.zemanta.com
Address: 104.20.23.241
Name:	r1-usc1.zemanta.com
Address: 172.66.149.159
Name:	r1-usc1.zemanta.com
Address: 2606:4700:10::6814:17f1
Name:	r1-usc1.zemanta.com
Address: 2606:4700:10::ac42:959f