shell:$ nslookup -timeout=2 -retry=1 'apps.zm.airtellive.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	apps.zm.airtellive.com
Address: 144.76.136.81
;; communications error to 1.1.1.1#53: timed out