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

Non-authoritative answer:
tu.unefon.com	canonical name = ec2-54-225-212-99.compute-1.amazonaws.com.
Name:	ec2-54-225-212-99.compute-1.amazonaws.com
Address: 54.225.212.99