When I use Safari Version 11.1 (11605.1.33.1.4) and I go to http://www.flightofthephantom.com/what-is-an-imu it works but If I use Firefox 59.02 on the same workstation it doesn't work it comes up with a black screen. I am using FrereDNS 37.235.1.174, 37.235.1.177 but when I change the DNS to...