One of my favorite tools for tracking down network problems is a tool called PingPlotter published by Nessoft. I’ve written about PingPlotter several times (the last time in 2011, although it did also ...

Last week I wrote about PingPlotter and my quest to diagnose AT&T U-verse’s flaky service. As I explained, it looks like AT&T default DNS servers are behaving badly and I’m waiting to hear back from ...