What is wrong with my internet connection? - 1

So we have several devices. IPhone work perfectly fine. Desktop doesn't as well as my Xbox. Another Xbox still works. I get a message about DNS server not responding. When I turn the router off and back on, this fixes the issue, but only temporarily. About 12 hours later, the same issue pops up again. This has happened several times now. Anybody know what the problem is and how to fix it?

There are numerous tips on this web site…

http://www.wikihow.com/Fix-DNS-Server-Not-Responding-Problem

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