shell:$ nslookup -timeout=2 -retry=1 'ec2-18-203-3-79.eu-west-1.compute.amazonaws.com'
;; communications error to 75.98.161.224#53: timed out
Server:		69.39.86.5
Address:	69.39.86.5#53

Non-authoritative answer:
Name:	ec2-18-203-3-79.eu-west-1.compute.amazonaws.com
Address: 18.203.3.79