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Writer's pictureTony Fortunato

Measuring DNS Response Time

Before I start, I want to acknowledge a few things:

-          Yes, there are utilities out there that can do this

-          Yes, you can look at DNS response time in the Statistics->DNS report

-          Yes, you can graph this in Wireshark’s IO graph

 

There a lot of benefits of doing it this way since you can customize your charts, which may not be possible with the other options and you get a better understanding of what you are reporting.

In the video, I start at the command prompt with nslookup, move on Wireshark covering capture filter, adding a column, creating a display filter and then exporting the trace to be used by Excel.


As I mentioned in the video this technique can be used with all sorts of other protocols when troubleshooting or documenting performance.



 

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