shell:$ nslookup -timeout=2 -retry=1 'checkip.dyndns.com'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
Name:	checkip.dyndns.com
Address: 193.122.6.168
Name:	checkip.dyndns.com
Address: 132.226.247.73
Name:	checkip.dyndns.com
Address: 193.122.130.0
Name:	checkip.dyndns.com
Address: 132.226.8.169
Name:	checkip.dyndns.com
Address: 158.101.44.242