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https://github.com/blacklanternsecurity/public-dns-servers
A CI/CD-verified list of the internet's known-good public DNS servers (from public-dns.info) Updated weekly!
https://github.com/blacklanternsecurity/public-dns-servers
automation bbot cicd cicd-pipeline dns dns-resolver dns-server list massdns nameservers osint pipeline public python python3 recon resolvers
Last synced: 3 days ago
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A CI/CD-verified list of the internet's known-good public DNS servers (from public-dns.info) Updated weekly!
- Host: GitHub
- URL: https://github.com/blacklanternsecurity/public-dns-servers
- Owner: blacklanternsecurity
- Created: 2023-02-27T16:47:52.000Z (over 1 year ago)
- Default Branch: master
- Last Pushed: 2024-08-24T15:31:00.000Z (3 months ago)
- Last Synced: 2024-08-24T16:48:14.216Z (3 months ago)
- Topics: automation, bbot, cicd, cicd-pipeline, dns, dns-resolver, dns-server, list, massdns, nameservers, osint, pipeline, public, python, python3, recon, resolvers
- Language: Python
- Homepage:
- Size: 1.83 MB
- Stars: 21
- Watchers: 5
- Forks: 3
- Open Issues: 2
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Metadata Files:
- Readme: README.md
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README
# `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](https://github.com/blacklanternsecurity/bbot)'s [massdns module](https://github.com/blacklanternsecurity/bbot/blob/stable/bbot/modules/massdns.py).