shell:$ nslookup -timeout=2 -retry=1 'captive.gigsky.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
captive.gigsky.com	canonical name = app755496.prod.cudawaas.com.
app755496.prod.cudawaas.com	canonical name = waas-prod-app-89f31e5c2525ce20c037dea549798e88.trafficmanager.net.
waas-prod-app-89f31e5c2525ce20c037dea549798e88.trafficmanager.net	canonical name = waasprod-app-4807f038b425c7b0f3e3bbce1a18312e.westus2.cloudapp.azure.com.
Name:	waasprod-app-4807f038b425c7b0f3e3bbce1a18312e.westus2.cloudapp.azure.com
Address: 172.179.53.248