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

Non-authoritative answer:
Name:	backbone.com
Address: 104.18.28.136
Name:	backbone.com
Address: 104.18.29.136
Name:	backbone.com
Address: 2606:4700::6812:1c88
Name:	backbone.com
Address: 2606:4700::6812:1d88