shell:$ nslookup -timeout=2 -retry=1 'ping.chartbeat.net'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	ping.chartbeat.net
Address: 52.5.166.212
Name:	ping.chartbeat.net
Address: 3.213.70.173
Name:	ping.chartbeat.net
Address: 3.209.101.180
Name:	ping.chartbeat.net
Address: 107.20.178.41
Name:	ping.chartbeat.net
Address: 100.51.68.34
Name:	ping.chartbeat.net
Address: 174.129.171.154
Name:	ping.chartbeat.net
Address: 107.23.28.155
Name:	ping.chartbeat.net
Address: 52.70.28.13