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

Non-authoritative answer:
www.mobile.com	canonical name = att.com.
Name:	att.com
Address: 144.160.155.43
Name:	att.com
Address: 144.160.36.42