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

Non-authoritative answer:
conf.viber.com	canonical name = d2pz1s78kirkho.cloudfront.net.
Name:	d2pz1s78kirkho.cloudfront.net
Address: 108.156.91.41
Name:	d2pz1s78kirkho.cloudfront.net
Address: 108.156.91.61
Name:	d2pz1s78kirkho.cloudfront.net
Address: 108.156.91.43
Name:	d2pz1s78kirkho.cloudfront.net
Address: 108.156.91.121
Name:	d2pz1s78kirkho.cloudfront.net
Address: 2600:9000:2351:9e00:2:ec80:9f00:93a1
Name:	d2pz1s78kirkho.cloudfront.net
Address: 2600:9000:2351:9600:2:ec80:9f00:93a1
Name:	d2pz1s78kirkho.cloudfront.net
Address: 2600:9000:2351:6000:2:ec80:9f00:93a1
Name:	d2pz1s78kirkho.cloudfront.net
Address: 2600:9000:2351:a800:2:ec80:9f00:93a1
Name:	d2pz1s78kirkho.cloudfront.net
Address: 2600:9000:2351:e000:2:ec80:9f00:93a1
Name:	d2pz1s78kirkho.cloudfront.net
Address: 2600:9000:2351:9800:2:ec80:9f00:93a1
Name:	d2pz1s78kirkho.cloudfront.net
Address: 2600:9000:2351:0:2:ec80:9f00:93a1
Name:	d2pz1s78kirkho.cloudfront.net
Address: 2600:9000:2351:1a00:2:ec80:9f00:93a1