1. The site is https://spotlight.blob.core.windows.net/
2. The port is 443 for https
3. When accessing the site from IE or Firefox the expect return is states below which means you can get through
<?xml version="1.0" encoding="utf-8" ?>
- <Error>
<Code>InvalidQueryParameterValue</Code>
<Message>Value for one of the query parameters specified in the request URI is invalid. RequestId:b64d9e8e-0001-000b-58da-f7f630000000 Time:2016-08-16T16:20:22.2970560Z</Message>
<QueryParameterName>comp</QueryParameterName>
<QueryParameterValue />
<Reason />
</Error>
4. If you are going to test with IE, make sure you go to "Internet Options | Advance" and un-check "Show friendly HTTP error message"