Weird web addresses showing up in safety minder, what are they??

Yesterday I was reading up on proxies and attempted to bypass safety minder on my own through my internet options. I don't think I did it correctly because I just typed a web address into the configure proxy space and nothing happened. Today though Im at work checking safety minder and see that among my kids other browsing activity I see that the web address I entered yesterday keeps appearing. I chose a site they would never visit so I would know it was me. But I am not home so why does it keep showing that they are visiting it right now? Also, there were numbers (78.109.83.17) in the sites visited category and I googled them to find out that the numbers were the IP address of the site I entered yesterday. But the weird thing is that its showing that it was accessed today between the sites my kids are actually on. What's going on??? Im also getting