Also, running your own DNS server means you can do this for <i>every</i> device, even those for which you can&#x27;t easily access the HOSTS file or perhaps don&#x27;t even have such a facility (locked-down mobile devices, embedded systems, etc) and not have to worry about keeping multiple copies of HOSTS files in sync and updated.<p>Although I don&#x27;t have such devices in my network, I&#x27;ve heard that others do this to their &quot;smart&quot; TV&#x2F;media box&#x2F;creepy home surveillance gadgets.