shell:$ nslookup -timeout=2 -retry=1 'forbusiness.viber.com'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
Name:	forbusiness.viber.com
Address: 18.165.83.79
Name:	forbusiness.viber.com
Address: 18.165.83.11
Name:	forbusiness.viber.com
Address: 18.165.83.71
Name:	forbusiness.viber.com
Address: 18.165.83.59