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

Non-authoritative answer:
content.cdn.viber.com	canonical name = d280pffqtvekyf.cloudfront.net.
Name:	d280pffqtvekyf.cloudfront.net
Address: 18.64.183.36
Name:	d280pffqtvekyf.cloudfront.net
Address: 18.64.183.69
Name:	d280pffqtvekyf.cloudfront.net
Address: 18.64.183.93
Name:	d280pffqtvekyf.cloudfront.net
Address: 18.64.183.42
Name:	d280pffqtvekyf.cloudfront.net
Address: 2600:9000:24d1:4c00:6:5a75:25c0:93a1
Name:	d280pffqtvekyf.cloudfront.net
Address: 2600:9000:24d1:5c00:6:5a75:25c0:93a1
Name:	d280pffqtvekyf.cloudfront.net
Address: 2600:9000:24d1:1000:6:5a75:25c0:93a1
Name:	d280pffqtvekyf.cloudfront.net
Address: 2600:9000:24d1:b600:6:5a75:25c0:93a1
Name:	d280pffqtvekyf.cloudfront.net
Address: 2600:9000:24d1:8600:6:5a75:25c0:93a1
Name:	d280pffqtvekyf.cloudfront.net
Address: 2600:9000:24d1:a00:6:5a75:25c0:93a1
Name:	d280pffqtvekyf.cloudfront.net
Address: 2600:9000:24d1:1600:6:5a75:25c0:93a1
Name:	d280pffqtvekyf.cloudfront.net
Address: 2600:9000:24d1:f200:6:5a75:25c0:93a1