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

Non-authoritative answer:
noc-vo.viber.com	canonical name = vibernoc.zendesk.com.
Name:	vibernoc.zendesk.com
Address: 216.198.54.6
Name:	vibernoc.zendesk.com
Address: 216.198.53.6