Are you certain you're connecting to your home wi-fi network? Are there any other networks nearby that your phone might be trying to connect with, like a public network?= > I believe my phone is connects to my home wi-fi network. The connection shows my Home network's name.
Who's your ISP? Windstream
Which DNS server are you using? I do not know. When I long-press the network name as described in the URL you provided, my phone does not give the 'Modify Newtwork' option.