blacklanternsecurity/public-dns-servers

blacklanternsecurity/public-dns-servers has 40 GitHub stars and 7 forks. GitHot measured 0 stars in 24 hours. Last checked 2026-11-15 03:19 UTC. Last push 2026-11-13.

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40 stars 7 Forks

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in 7 days: Collecting history
in 15 days: Collecting history
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About

A CI/CD-verified list of the internet's known-good public DNS servers (from public-dns.info) Updated weekly!

Productivity

README.md

Original

`public-dns-servers`

The purpose of this repository is to keep an up-to-date list of the latest KNOWN-GOOD public DNS servers. nameservers.txt is updated weekly via a CI/CD script that does the following:

Pulls raw list of public nameservers from https://public-dns.info/
Interrogates each DNS server to see if it is "worthy". Each DNS server MUST:
- Respond within 1 second
- Respond accurately to both A and AAAA queries
- NOT respond to a NONEXISTENT query (helps to weed out bogus nameservers)
Compiles the worthy nameservers into nameservers.txt

The result is a list that's suitable to be used for any automated task, OSINT or otherwise. Enjoy!

Used by BBOT's massdns module.