To try and pull this back from the dead, (Literally), I've run the command and I have not gotten a txt file with the open domains.

[Joe-Swanson000]

I downloaded the zip and extracted it. Afterwards, I opened up the file, and got to the this:

Well, I clicked the bar up top right by the folder icon, and ran CMD, and then ran the command. The command ran, and said "Requirements already satisfied" and whatnot, and it completed. Afterwards, I looked around for a txt file, but could never find one.