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

Non-authoritative answer:
miattweb.att.com.mx	canonical name = ec2-34-197-9-88.compute-1.amazonaws.com.
Name:	ec2-34-197-9-88.compute-1.amazonaws.com
Address: 34.197.9.88