shell:$ nslookup -timeout=2 -retry=1 'line.viber.me'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	line.viber.me
Address: 107.21.243.49
Name:	line.viber.me
Address: 44.214.167.47
Name:	line.viber.me
Address: 52.0.117.223
Name:	line.viber.me
Address: 100.28.116.157