shell:$ nslookup -timeout=2 -retry=1 'speedtest-poc-akamai.opensignal.com.edgesuite.net'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
speedtest-poc-akamai.opensignal.com.edgesuite.net	canonical name = a847.dscb.akamai.net.
Name:	a847.dscb.akamai.net
Address: 23.212.239.215
Name:	a847.dscb.akamai.net
Address: 23.212.239.210
a847.dscb.akamai.net	canonical name = a847.dscb.akamai.net.0.1.cn.akamaitech.net.
Name:	a847.dscb.akamai.net.0.1.cn.akamaitech.net
Address: 2600:1405:d400:5::173e:6a2a
Name:	a847.dscb.akamai.net.0.1.cn.akamaitech.net
Address: 2600:1405:d400:5::173e:6a28