shell:$ nslookup -timeout=2 -retry=1 'dtac.line.viber.co'
;; communications error to 75.98.161.224#53: timed out
Server:		69.39.86.5
Address:	69.39.86.5#53

Non-authoritative answer:
Name:	dtac.line.viber.co
Address: 199.191.50.245