shell:$ nslookup -timeout=2 -retry=1 'wap.itelcel.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
wap.itelcel.com	canonical name = mail.itelcel.com.
Name:	mail.itelcel.com
Address: 74.202.142.40