shell:$ nslookup -timeout=2 -retry=1 '5cl7anf.impervadns.net'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
Name:	5cl7anf.impervadns.net
Address: 45.60.205.194
Name:	5cl7anf.impervadns.net
Address: 2a02:e981:32::c2