shell:$ nslookup -timeout=2 -retry=1 'activate.viber.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
activate.viber.com	canonical name = d37wvb5i62p5t5.cloudfront.net.
Name:	d37wvb5i62p5t5.cloudfront.net
Address: 3.167.152.89
Name:	d37wvb5i62p5t5.cloudfront.net
Address: 3.167.152.38
Name:	d37wvb5i62p5t5.cloudfront.net
Address: 3.167.152.121
Name:	d37wvb5i62p5t5.cloudfront.net
Address: 3.167.152.62
Name:	d37wvb5i62p5t5.cloudfront.net
Address: 2600:9000:2873:9e00:1f:e498:ea40:93a1
Name:	d37wvb5i62p5t5.cloudfront.net
Address: 2600:9000:2873:6e00:1f:e498:ea40:93a1
Name:	d37wvb5i62p5t5.cloudfront.net
Address: 2600:9000:2873:0:1f:e498:ea40:93a1
Name:	d37wvb5i62p5t5.cloudfront.net
Address: 2600:9000:2873:e600:1f:e498:ea40:93a1
Name:	d37wvb5i62p5t5.cloudfront.net
Address: 2600:9000:2873:6400:1f:e498:ea40:93a1
Name:	d37wvb5i62p5t5.cloudfront.net
Address: 2600:9000:2873:9a00:1f:e498:ea40:93a1
Name:	d37wvb5i62p5t5.cloudfront.net
Address: 2600:9000:2873:ca00:1f:e498:ea40:93a1
Name:	d37wvb5i62p5t5.cloudfront.net
Address: 2600:9000:2873:fe00:1f:e498:ea40:93a1