I wonder why don't you run your own Insight server, rather than looking for other's Insight server?

For the record, I should say that one politically correct answer is that you first need to install a bitcoin full node, let it download the complete blockchain, and on top on that add an Insight server (https://insight.bitpay.com/) that you can query fast via API, and write and execute a script for it.

Now, I assume that most people are lazy and not willing to pull that off, or simply lack the technical skills required, so let me demonstrate my quick and dirty work-around that requires no installation or downloads. You just need a Linux machine.