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

Non-authoritative answer:
Name:	opensignal.net
Address: 172.234.27.37
Name:	opensignal.net
Address: 172.234.27.71
Name:	opensignal.net
Address: 172.239.193.161