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

Non-authoritative answer:
unv.viber.com	canonical name = viber.production.dualstack.edgekey.net.
viber.production.dualstack.edgekey.net	canonical name = e9413.dscb.akamaiedge.net.
Name:	e9413.dscb.akamaiedge.net
Address: 23.210.129.127
Name:	e9413.dscb.akamaiedge.net
Address: 2600:1405:d400:286::24c5
Name:	e9413.dscb.akamaiedge.net
Address: 2600:1405:d400:287::24c5