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

Non-authoritative answer:
wap.dtelecom.com	canonical name = www.dtelecom.it.
Name:	www.dtelecom.it
Address: 217.182.129.118