DNS VU#800113 Test

I know this is old news. But with regard to the famous US-CERT VU#800113 or better known to be associated with Dan Kaminsky DNS hack, there is a good website to check if your DNS is vulnerable. The website is available at:

https://www.dns-oarc.net/oarc/services/dnsentropy

But, what if your DNS is already hacked, doesn't the above request bring to you to somewhere else? If it possible. So therefore, from a trust source, here is the IP address to access the test:

http://149.20.3.33/test/