shell:$ nslookup -timeout=2 -retry=1 'api.viber.com'
Server:		1.1.1.1
Address:	1.1.1.1#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: 3.226.193.85
Name:	alb-sn-http-public-1965732462.us-east-1.elb.amazonaws.com
Address: 3.228.109.53
Name:	alb-sn-http-public-1965732462.us-east-1.elb.amazonaws.com
Address: 52.4.150.202
Name:	alb-sn-http-public-1965732462.us-east-1.elb.amazonaws.com
Address: 54.221.129.30
Name:	alb-sn-http-public-1965732462.us-east-1.elb.amazonaws.com
Address: 34.237.9.237
Name:	alb-sn-http-public-1965732462.us-east-1.elb.amazonaws.com
Address: 3.224.110.230
Name:	alb-sn-http-public-1965732462.us-east-1.elb.amazonaws.com
Address: 18.214.105.205
Name:	alb-sn-http-public-1965732462.us-east-1.elb.amazonaws.com
Address: 52.70.1.142