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: 100.49.131.237
Name:	ping.chartbeat.net
Address: 54.235.174.95
Name:	ping.chartbeat.net
Address: 107.23.28.155
Name:	ping.chartbeat.net
Address: 50.19.148.24
Name:	ping.chartbeat.net
Address: 54.86.59.249
Name:	ping.chartbeat.net
Address: 34.203.96.75
Name:	ping.chartbeat.net
Address: 54.211.63.66
Name:	ping.chartbeat.net
Address: 52.3.49.2