www.msftncsi.com being flagged as Malware

[meng1]

http://www.msftncsi.com/ncsi.txt is being flagged as Malware by OpenDNS. Is there a legitimate reason or is this a false positive?

Thanks

[alexahar]

We are aware of and our research team is currently checking into this URL. Note that it is currently being blocked by our Intelligent Proxy product on Umbrella Insights and above. 

[alexahar]

We have de-listed the URL http://www.msftncsi.com/ncsi.txt from our malware database, so it should be accessible on your network within the next half hour. We're also taking steps such that this won't be flagged in the future.