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: 108.156.184.40
Name:	d280pffqtvekyf.cloudfront.net
Address: 108.156.184.23
Name:	d280pffqtvekyf.cloudfront.net
Address: 108.156.184.85
Name:	d280pffqtvekyf.cloudfront.net
Address: 108.156.184.4
Name:	d280pffqtvekyf.cloudfront.net
Address: 2600:9000:24d1:1400:6:5a75:25c0:93a1
Name:	d280pffqtvekyf.cloudfront.net
Address: 2600:9000:24d1:c600:6:5a75:25c0:93a1
Name:	d280pffqtvekyf.cloudfront.net
Address: 2600:9000:24d1:5000:6:5a75:25c0:93a1
Name:	d280pffqtvekyf.cloudfront.net
Address: 2600:9000:24d1:7c00:6:5a75:25c0:93a1
Name:	d280pffqtvekyf.cloudfront.net
Address: 2600:9000:24d1:3800:6:5a75:25c0:93a1
Name:	d280pffqtvekyf.cloudfront.net
Address: 2600:9000:24d1:2a00:6:5a75:25c0:93a1
Name:	d280pffqtvekyf.cloudfront.net
Address: 2600:9000:24d1:a400:6:5a75:25c0:93a1
Name:	d280pffqtvekyf.cloudfront.net
Address: 2600:9000:24d1:6a00:6:5a75:25c0:93a1