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

Non-authoritative answer:
activate.viber.com	canonical name = d37wvb5i62p5t5.cloudfront.net.
Name:	d37wvb5i62p5t5.cloudfront.net
Address: 3.167.152.62
Name:	d37wvb5i62p5t5.cloudfront.net
Address: 3.167.152.38
Name:	d37wvb5i62p5t5.cloudfront.net
Address: 3.167.152.121
Name:	d37wvb5i62p5t5.cloudfront.net
Address: 3.167.152.89
Name:	d37wvb5i62p5t5.cloudfront.net
Address: 2600:9000:27d7:7400:1f:e498:ea40:93a1
Name:	d37wvb5i62p5t5.cloudfront.net
Address: 2600:9000:27d7:4800:1f:e498:ea40:93a1
Name:	d37wvb5i62p5t5.cloudfront.net
Address: 2600:9000:27d7:f600:1f:e498:ea40:93a1
Name:	d37wvb5i62p5t5.cloudfront.net
Address: 2600:9000:27d7:2400:1f:e498:ea40:93a1
Name:	d37wvb5i62p5t5.cloudfront.net
Address: 2600:9000:27d7:9200:1f:e498:ea40:93a1
Name:	d37wvb5i62p5t5.cloudfront.net
Address: 2600:9000:27d7:5800:1f:e498:ea40:93a1
Name:	d37wvb5i62p5t5.cloudfront.net
Address: 2600:9000:27d7:5400:1f:e498:ea40:93a1
Name:	d37wvb5i62p5t5.cloudfront.net
Address: 2600:9000:27d7:2600:1f:e498:ea40:93a1