This DNS performance monitor tool was build in order to keep track of the DNS performance from the Pi-hole that I installed in my home network. Since this Pi-hole is currently running on a Raspberry Pi Model B (Gen 1), which is not very powerful, I needed a tool to track this.
The dns-perf-mon runs daemonized and loads a list of domains from a TXT file (default: domains.txt) and stores all lookup information into a CSV file (default: dns-lookup-times.csv) file.
A most powerful analysis can be made using pandas with this output dataset.
The daemon has --help argument flag that helps to launch dns-perf-mon with custom parameters.
$ dns-perf-mon --help
Usage of dns-perf-mon:
-domains string
Domains list input file (default "domains.txt")
-interval duration
Interval between lookups (default 1m0s)
-output string
Output CSV file (default "dns-lookup-times.csv")
Domains list file, output CSV file and lookup interval can be customized upon daemon startup.
- Statistical analysis with pandas
- Webserver to provide visual information
- Write some unit tests
- Simple lookup time measure API (non-Monitor mode)