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

Non-authoritative answer:
Name:	avast.com
Address: 23.222.21.128
Name:	avast.com
Address: 2600:1405:d400:18d::21c7
Name:	avast.com
Address: 2600:1405:d400:184::21c7