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

Non-authoritative answer:
api.viber.com	canonical name = alb-sn-http-public-1965732462.us-east-1.elb.amazonaws.com.
Name:	alb-sn-http-public-1965732462.us-east-1.elb.amazonaws.com
Address: 44.194.239.154
Name:	alb-sn-http-public-1965732462.us-east-1.elb.amazonaws.com
Address: 3.94.37.142
Name:	alb-sn-http-public-1965732462.us-east-1.elb.amazonaws.com
Address: 34.205.121.232
Name:	alb-sn-http-public-1965732462.us-east-1.elb.amazonaws.com
Address: 52.200.167.119
Name:	alb-sn-http-public-1965732462.us-east-1.elb.amazonaws.com
Address: 34.230.103.61
Name:	alb-sn-http-public-1965732462.us-east-1.elb.amazonaws.com
Address: 100.25.12.185
Name:	alb-sn-http-public-1965732462.us-east-1.elb.amazonaws.com
Address: 54.211.150.148
Name:	alb-sn-http-public-1965732462.us-east-1.elb.amazonaws.com
Address: 23.22.104.252