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

Non-authoritative answer:
opensignal-nsu.akamaihd.net	canonical name = a2047.g.akamai.net.
Name:	a2047.g.akamai.net
Address: 23.223.17.134
Name:	a2047.g.akamai.net
Address: 23.223.17.133
Name:	a2047.g.akamai.net
Address: 23.223.17.130
Name:	a2047.g.akamai.net
Address: 23.223.17.138
Name:	a2047.g.akamai.net
Address: 23.223.17.135
Name:	a2047.g.akamai.net
Address: 23.223.17.132
Name:	a2047.g.akamai.net
Address: 23.223.17.140
Name:	a2047.g.akamai.net
Address: 23.223.17.137
Name:	a2047.g.akamai.net
Address: 23.223.17.136