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

Non-authoritative answer:
Name:	cdn-update.avastbrowser.com
Address: 104.20.37.116
Name:	cdn-update.avastbrowser.com
Address: 172.66.175.47
Name:	cdn-update.avastbrowser.com
Address: 2606:4700:10::ac42:af2f
Name:	cdn-update.avastbrowser.com
Address: 2606:4700:10::6814:2574