Join Mike Meyers for an in-depth discussion in this video DNS troubleshooting, part of CompTIA Network+ (N10-006) Cert Prep: 4 Making TCP/IP Work.
- One of my favorite lines I'll hear somebody say is…they'll call me up and go,…"Mike, the Internet's down."…I go, no, no, no. The Internet's just fine.…It's the part that you're trying to connect to that's down.…Anyway, DNS troubleshooting is a big deal…because DNS does tend to go down from time to time.…The number one clue that you got a DNS problem…is something like this.…Now, I'm using Google Chrome right here…because Google Chrome is my primary web browser of choice.…There's a lot of reasons to like or dislike it,…but one of the reasons I like Google Chrome is that…when there are problems,…Google Chrome can often…tell you where that problem is.…
For example, on here, it's says this webpage…is not available; that's pretty standard there.…And it says, "The server at www.google.com can't be found…'because the DNS lookup failed."…That's one of the nice things about Chrome.…It tells you straight up where the error is.…Now keep in mind, other web browsers, for example,…Internet Explorer and Firefox,…they will give you clues too, but a lot of times,…
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Skill Level Beginner
Q: This course was updated on 06/20/2017. What changed?
A: New videos were added that cover Windows name resolution and the net command.