shell:$ nslookup -timeout=2 -retry=1 'viber.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	viber.com
Address: 54.89.32.39
Name:	viber.com
Address: 18.214.54.240
Name:	viber.com
Address: 2600:1f18:2092:1a04:3e6e:963a:3c7b:a0e8
Name:	viber.com
Address: 2600:1f18:2092:1a05:1d82:608b:926f:51e1