A public DNS resolver explorer
Project description
LDNS Explorer
This explorer is executed on a client machine to measure performance implications of choosing a DNS resolver (“LDNS — Local Domain Name Server”) among various alternatives including the ISP-provided resolver and several public resolves, namely, Google, OpenDNS, Cloudflare and Quad9.
This work was supported in part by NSF through grant CNS-2219736
Installation
Visit https://pypi.org/project/ldns-explorer/
Usage
You can invoke the explorer anywhere by the following command.
python3 -m ldnsexplorer
Customized Test Case
We support customized test domains and resolves beside our sample test cases.
If you would like to add domains, please create a
txt file called domains.txt under the directory you invoke the
explorer.
The file structure is one domain per line.
domains.txt:
example1.com
example2.com
If you would like to add DNS resolvers, please create a
txt file called resolvers.txt under the directory you invoke the
explorer.
The file structure is one domain per line.
resolvers.txt:
0.0.0.0
1.1.1.1
Clarification
The explorer will send the result of the measurement to us. You can disable
this functionality by typing NO when the script prompt up the choice.
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