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

Non-authoritative answer:
Name:	abff.viber.com
Address: 18.160.249.120
Name:	abff.viber.com
Address: 18.160.249.2
Name:	abff.viber.com
Address: 18.160.249.112
Name:	abff.viber.com
Address: 18.160.249.97