shell:$ nslookup -timeout=2 -retry=1 'a40.usablenet.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	a40.usablenet.com
Address: 104.18.0.100
Name:	a40.usablenet.com
Address: 104.18.1.100
Name:	a40.usablenet.com
Address: 2606:4700::6812:64
Name:	a40.usablenet.com
Address: 2606:4700::6812:164