DNS Testing Image

As we are all trying to patch and upgrade our resolvers and NAT devices, I created a small image tag that automatically assesses the randomess of a visitor’s resolver:

This is still in reference to the CERT Advisory on Multiple DNS implementations vulnerable to cache poisoning. You can place the image tag on your web page to test your visitors:

The a href link can of course point to a more helpful web page and the image itself can also be changed according to need.

If you want to show this on your pages with different images, just let me know.

The views expressed on these pages are my own and do not represent the views of anyone else.
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