shell:$ nslookup -timeout=2 -retry=1 'dns-tunnel-check.googlezip.net'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	dns-tunnel-check.googlezip.net
Address: 216.239.34.159
Name:	dns-tunnel-check.googlezip.net
Address: 2001:4860:4802:34::9f