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Resolving A DNS Issue

This repository contains all the scripts and data necessary to reproduce my blog post on resolving a DNS issue.

You'll need:

To run the HTTP test on your own network:

export ROUTER_IP=${YOUR_ROUTER_IP}
export ROUTER_HOSTNAME=${YOUR_ROUTER_HOSTNAME}
export OUTPUT_FILE="your-results.csv"
zsh http-test.zsh

To run the chart generation script:

python3.6 chart.py ${OUTPUT_FILE} ${OUTPUT_FILE%.csv}.svg

To find failure percentages:

zsh percent-failures.zsh

To generate the It's Always DNS diagram:

dot -Tsvg its-always-dns.dot -o its-always-dns.svg

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The scripts and data for my blog post on resolving a DNS issue.

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